Research library206 prescription profilesReviewed May 2026

Prescriptions, indexed.

Browse 206 public prescription profiles with evidence ratings, safety notes, interactions, and source links.

Directory

Prescriptions, A to Z.

Profiles are listed alphabetically. Each one opens to the full evidence dossier, interaction list, and source links.

Prescription

Acitretin

Acitretin is a second-generation systemic retinoid (active metabolite of etretinate) used for the treatment of severe psoriasis (including plaque, pustular, and erythrodermic types) that is...

Evidence
Strong
Class
Retinoid / Dermatologic

Prescription

Acyclovir

A nucleoside analog antiviral that is the prototype agent for herpes virus infections. Active against herpes simplex virus types 1 and 2 (HSV-1, HSV-2) and varicella-zoster virus (VZV). Used for...

Evidence
Strong
Class
Nucleoside Analog Antiviral

Prescription

Albuterol

A short-acting beta-2 adrenergic agonist (SABA) that is the most widely used rescue inhaler for acute bronchospasm. The cornerstone of acute asthma and COPD symptom relief, providing rapid...

Evidence
Strong
Class
Short-Acting Beta-2 Agonist (SABA)

Prescription

Alendronate

Alendronate is the most widely prescribed bisphosphonate for the prevention and treatment of osteoporosis in postmenopausal women, glucocorticoid-induced osteoporosis, and osteoporosis in men. The...

Evidence
Strong
Class
Bisphosphonate

Prescription

Alfuzosin

Alfuzosin is an alpha-1 adrenergic receptor antagonist with relative selectivity for the lower urinary tract, used for the treatment of signs and symptoms of benign prostatic hyperplasia (BPH). It...

Evidence
Strong
Class
Alpha-1 Blocker / Urologic

Prescription

Allopurinol

A xanthine oxidase inhibitor used as first-line urate-lowering therapy for the chronic management of gout and hyperuricemia. Allopurinol reduces serum uric acid levels by inhibiting the enzyme that...

Evidence
Strong
Class
Xanthine Oxidase Inhibitor (Gout)

Prescription

Alprazolam

Prescription benzodiazepine (Schedule IV controlled substance) approved for generalized anxiety disorder and panic disorder. One of the most commonly prescribed benzodiazepines with rapid onset of...

Evidence
Strong
Class
Benzodiazepine

Prescription

Aluminum/Magnesium Hydroxide

A combination antacid containing aluminum hydroxide and magnesium hydroxide, used for the symptomatic relief of heartburn, acid indigestion, sour stomach, and peptic ulcer pain. The combination...

Evidence
Strong
Class
Antacid

Prescription

Amiodarone

Amiodarone is the most effective antiarrhythmic drug available, possessing properties of all four Vaughan-Williams antiarrhythmic classes. It is used for life-threatening ventricular arrhythmias and...

Evidence
Strong
Class
Class III Antiarrhythmic

Prescription

Amitriptyline

Prescription tricyclic antidepressant (TCA) originally approved for major depressive disorder but now more commonly used for chronic neuropathic pain, migraine prophylaxis, and fibromyalgia due to...

Evidence
Strong
Class
Tricyclic Antidepressant (TCA)

Prescription

Amlodipine

Amlodipine is a long-acting dihydropyridine calcium channel blocker and one of the most commonly prescribed antihypertensives worldwide. It is effective for hypertension and angina, with landmark...

Evidence
Strong
Class
Dihydropyridine Calcium Channel Blocker

Prescription

Amoxicillin

A broad-spectrum penicillin antibiotic used to treat a wide variety of bacterial infections including otitis media, sinusitis, pharyngitis, lower respiratory tract infections, urinary tract...

Evidence
Strong
Class
Penicillin Antibiotic

Prescription

Amoxicillin-Clavulanate

A combination antibiotic pairing amoxicillin with clavulanic acid, a beta-lactamase inhibitor. This extends the spectrum of amoxicillin to include beta-lactamase-producing strains of H. influenzae,...

Evidence
Strong
Class
Penicillin/Beta-Lactamase Inhibitor Combination

Prescription

Amphetamine/Dextroamphetamine

Prescription central nervous system stimulant (Schedule II controlled substance) containing mixed amphetamine salts (75% dextroamphetamine, 25% levoamphetamine), approved for ADHD and narcolepsy....

Evidence
Strong
Class
CNS Stimulant

Prescription

Apixaban

Apixaban is a direct oral factor Xa inhibitor with strong evidence from the ARISTOTLE trial showing superiority to warfarin for stroke prevention in atrial fibrillation with less bleeding. It is...

Evidence
Strong
Class
Direct Oral Anticoagulant (DOAC)

Prescription

Aripiprazole

Prescription second-generation (atypical) antipsychotic approved for schizophrenia, bipolar I disorder, adjunctive treatment for major depressive disorder, irritability associated with autistic...

Evidence
Strong
Class
Atypical Antipsychotic

Prescription

Aspirin Low-Dose

Low-dose aspirin (75–100 mg) is an antiplatelet agent widely used for secondary prevention of cardiovascular events including myocardial infarction and ischemic stroke. Its role in primary...

Evidence
Strong
Class
Antiplatelet Agent

Prescription

Atenolol

Atenolol is a cardioselective beta-1 blocker used for hypertension and angina. It is hydrophilic and does not cross the blood-brain barrier readily, potentially causing fewer central nervous system...

Evidence
Moderate
Class
Beta-1 Selective Adrenergic Blocker

Prescription

Atomoxetine

Prescription non-stimulant medication approved for ADHD in children, adolescents, and adults. A selective norepinephrine reuptake inhibitor (NRI) that provides 24-hour symptom coverage without abuse...

Evidence
Strong
Class
Non-Stimulant ADHD Medication

Prescription

Atorvastatin

Atorvastatin is a high-intensity statin used to lower LDL cholesterol and reduce cardiovascular risk. It is one of the most widely prescribed medications worldwide for hyperlipidemia,...

Evidence
Strong
Class
HMG-CoA Reductase Inhibitor (Statin)

Prescription

Azithromycin

A macrolide antibiotic with a broad spectrum of activity against gram-positive, some gram-negative, and atypical organisms (Mycoplasma, Chlamydia, Legionella). The 5-day 'Z-Pack' course is one of...

Evidence
Strong
Class
Macrolide Antibiotic

Prescription

Baclofen

A GABA-B receptor agonist used for the treatment of spasticity resulting from multiple sclerosis, spinal cord injuries, and other spinal cord diseases. Baclofen is also available as an intrathecal...

Evidence
Strong
Class
Skeletal Muscle Relaxant (Antispastic)

Prescription

Benazepril

Benazepril is an ACE inhibitor prodrug used primarily for hypertension. It is also available in combination with amlodipine (Lotrel) and hydrochlorothiazide (Lotensin HCT) for enhanced blood...

Evidence
Strong
Class
ACE Inhibitor

Prescription

Bisacodyl

A diphenylmethane derivative stimulant laxative used for the relief of occasional constipation and for bowel preparation before diagnostic procedures or surgery. Bisacodyl is available in both oral...

Evidence
Strong
Class
Stimulant Laxative

Prescription

Bisoprolol

Bisoprolol is a highly cardioselective beta-1 blocker with proven mortality reduction in heart failure from the CIBIS-II trial. It has the highest beta-1 selectivity among available beta-blockers,...

Evidence
Strong
Class
Beta-1 Selective Adrenergic Blocker

Prescription

Brimonidine

Brimonidine is a selective alpha-2 adrenergic agonist used topically to reduce intraocular pressure (IOP) in open-angle glaucoma and ocular hypertension. It lowers IOP by 15-20% through dual...

Evidence
Strong
Class
Alpha-2 Agonist / Ophthalmologic

Prescription

Budesonide Inhaled

An inhaled corticosteroid used as a controller medication for persistent asthma. Available as a dry powder inhaler (Flexhaler) for older children and adults, and as a nebulizer suspension (Respules)...

Evidence
Strong
Class
Inhaled Corticosteroid

Prescription

Bupropion

Prescription norepinephrine-dopamine reuptake inhibitor (NDRI) approved for major depressive disorder, seasonal affective disorder, and smoking cessation (marketed as Zyban). Unique among...

Evidence
Strong
Class
Atypical Antidepressant (NDRI)

Prescription

Buspirone

Prescription non-benzodiazepine anxiolytic approved for the treatment of generalized anxiety disorder (GAD). Unlike benzodiazepines, buspirone has no abuse potential, does not cause physical...

Evidence
Moderate
Class
Non-Benzodiazepine Anxiolytic

Prescription

Calcium Carbonate

A widely used over-the-counter antacid that provides rapid, short-term relief of heartburn, acid indigestion, and sour stomach. Calcium carbonate also serves as a calcium supplement and is used as a...

Evidence
Moderate
Class
Antacid

Prescription

Canagliflozin

Canagliflozin was the first SGLT2 inhibitor approved in the United States for type 2 diabetes. The CANVAS trial demonstrated cardiovascular benefits, and the CREDENCE trial showed significant renal...

Evidence
Strong
Class
SGLT2 Inhibitor

Prescription

Carbamazepine

Carbamazepine is a first-generation antiepileptic used for partial seizures with complex symptomatology, generalized tonic-clonic seizures, trigeminal neuralgia, and as a mood stabilizer in bipolar...

Evidence
Strong
Class
Antiepileptic

Prescription

Carvedilol

Carvedilol is a unique third-generation beta-blocker that combines non-selective beta-blockade with alpha-1 receptor antagonism and antioxidant properties. The COPERNICUS trial demonstrated a 35%...

Evidence
Strong
Class
Non-Selective Beta-Blocker with Alpha-1 Blockade

Prescription

Ceftriaxone

A third-generation cephalosporin with broad-spectrum activity against many gram-negative and gram-positive organisms. Administered parenterally (IM or IV), it is a cornerstone agent for...

Evidence
Strong
Class
Third-Generation Cephalosporin

Prescription

Celecoxib

The only selective COX-2 inhibitor currently available in the U.S., celecoxib provides anti-inflammatory and analgesic effects with a significantly lower risk of GI ulceration and bleeding compared...

Evidence
Strong
Class
Nonsteroidal Anti-Inflammatory Drug (COX-2 Selective)

Prescription

Cephalexin

A first-generation cephalosporin antibiotic with excellent activity against gram-positive cocci including methicillin-susceptible S. aureus (MSSA) and streptococci. Commonly used for skin and soft...

Evidence
Strong
Class
First-Generation Cephalosporin

Prescription

Cetirizine

A second-generation (non-sedating) antihistamine used for the relief of symptoms associated with seasonal and perennial allergic rhinitis and chronic idiopathic urticaria. The active carboxylate...

Evidence
Strong
Class
Second-Generation Antihistamine

Prescription

Chlorthalidone

Chlorthalidone is a thiazide-like diuretic with a longer half-life and stronger evidence base than hydrochlorothiazide. It was the diuretic used in the landmark ALLHAT and SHEP trials. Major...

Evidence
Strong
Class
Thiazide-Like Diuretic

Prescription

Cimetidine

The first commercially available H2 receptor antagonist, cimetidine is used for the treatment of duodenal and gastric ulcers, GERD, and pathological hypersecretory conditions. While effective, it...

Evidence
Strong
Class
H2 Receptor Antagonist

Prescription

Ciprofloxacin

A second-generation fluoroquinolone with potent gram-negative activity, including Pseudomonas aeruginosa. Used for complicated urinary tract infections, pyelonephritis, infectious diarrhea,...

Evidence
Strong
Class
Fluoroquinolone Antibiotic

Prescription

Citalopram

Prescription selective serotonin reuptake inhibitor (SSRI) approved for major depressive disorder. The racemic mixture of S-citalopram and R-citalopram. Well tolerated with few drug interactions due...

Evidence
Strong
Class
SSRI

Prescription

Clarithromycin

A macrolide antibiotic with activity against gram-positive cocci, atypical organisms (Mycoplasma, Chlamydia, Legionella), and Mycobacterium avium complex (MAC). Used for community-acquired...

Evidence
Strong
Class
Macrolide Antibiotic

Prescription

Clindamycin

A lincosamide antibiotic with excellent activity against gram-positive cocci (including many community-acquired MRSA strains), anaerobes, and certain protozoa (Toxoplasma, Plasmodium). Used for skin...

Evidence
Strong
Class
Lincosamide Antibiotic

Prescription

Clonazepam

Prescription benzodiazepine (Schedule IV controlled substance) approved for panic disorder and certain seizure disorders (Lennox-Gastaut syndrome, akinetic and myoclonic seizures). Its long...

Evidence
Strong
Class
Benzodiazepine

Prescription

Clopidogrel

Clopidogrel is a thienopyridine P2Y12 receptor inhibitor widely used for secondary prevention after acute coronary syndromes and percutaneous coronary intervention (PCI). The CURE and COMMIT trials...

Evidence
Strong
Class
Antiplatelet Agent (P2Y12 Inhibitor)

Prescription

Colchicine

An anti-inflammatory alkaloid derived from the autumn crocus plant, used for the treatment and prevention of gout flares and for familial Mediterranean fever. Colchicine has also shown...

Evidence
Strong
Class
Anti-Gout / Anti-Inflammatory

Prescription

Combined Oral Contraceptive

Combined oral contraceptives (COCs) contain synthetic estrogen (usually ethinyl estradiol 20–35 mcg) and a progestin component. They are primarily used for contraception but are also prescribed for...

Evidence
Strong
Class
Hormonal Contraceptive

Prescription

Cyclobenzaprine

A centrally acting skeletal muscle relaxant structurally related to tricyclic antidepressants, used for the short-term relief of muscle spasm associated with acute, painful musculoskeletal...

Evidence
Strong
Class
Skeletal Muscle Relaxant

Prescription

Dabigatran

Dabigatran is a direct thrombin (factor IIa) inhibitor that was the first DOAC approved for stroke prevention in non-valvular atrial fibrillation, based on the RE-LY trial. It is the only DOAC with...

Evidence
Strong
Class
Direct Oral Anticoagulant (DOAC)

Prescription

Dapagliflozin

Dapagliflozin is an SGLT2 inhibitor approved for type 2 diabetes, heart failure (with reduced or preserved ejection fraction), and chronic kidney disease. The DAPA-HF and DAPA-CKD trials established...

Evidence
Strong
Class
SGLT2 Inhibitor

Prescription

Dapsone

Dapsone is a sulfone antibiotic with potent anti-inflammatory properties used both systemically and topically in dermatology. Oral dapsone is the treatment of choice for dermatitis herpetiformis and...

Evidence
Strong
Class
Anti-inflammatory / Dermatologic

Prescription

Desvenlafaxine

Prescription serotonin-norepinephrine reuptake inhibitor (SNRI) approved for major depressive disorder. The primary active metabolite of venlafaxine, administered as its succinate salt. Offers more...

Evidence
Strong
Class
SNRI

Prescription

Dexamethasone

Dexamethasone is a potent, long-acting synthetic glucocorticoid with approximately 25–30 times the anti-inflammatory potency of hydrocortisone and virtually no mineralocorticoid activity. It is used...

Evidence
Strong
Class
Corticosteroid

Prescription

Diazepam

Prescription benzodiazepine (Schedule IV controlled substance) approved for anxiety disorders, acute alcohol withdrawal, muscle spasm, seizure disorders, and as a preanesthetic agent. One of the...

Evidence
Strong
Class
Benzodiazepine

Prescription

Diclofenac

A potent nonselective NSAID available in multiple formulations (oral, topical, ophthalmic) used for the treatment of pain and inflammation in osteoarthritis, rheumatoid arthritis, ankylosing...

Evidence
Strong
Class
Nonsteroidal Anti-Inflammatory Drug (NSAID)

Prescription

Digoxin

Digoxin is a cardiac glycoside used for rate control in atrial fibrillation and symptomatic improvement in heart failure with reduced ejection fraction. The DIG trial showed it reduces...

Evidence
Moderate
Class
Cardiac Glycoside

Prescription

Diltiazem

Diltiazem is a benzothiazepine-type non-dihydropyridine calcium channel blocker that affects both vascular smooth muscle and cardiac conduction tissue. It is used for hypertension, angina, and rate...

Evidence
Strong
Class
Non-Dihydropyridine Calcium Channel Blocker

Prescription

Diphenhydramine

A first-generation antihistamine and the prototypical H1 receptor antagonist. Used for allergic reactions (urticaria, angioedema, allergic rhinitis), motion sickness, insomnia (OTC sleep aid), acute...

Evidence
Strong
Class
First-Generation Antihistamine

Prescription

Dofetilide

Dofetilide is a pure class III antiarrhythmic that selectively blocks the rapid component of the delayed rectifier potassium current (IKr). It is used for conversion and maintenance of sinus rhythm...

Evidence
Moderate
Class
Class III Antiarrhythmic

Prescription

Donepezil

Donepezil is a centrally-acting reversible acetylcholinesterase inhibitor indicated for the treatment of mild, moderate, and severe Alzheimer's disease. It is the most widely prescribed medication...

Evidence
Moderate
Class
Cholinesterase Inhibitor / Alzheimer's

Prescription

Doxycycline

A broad-spectrum tetracycline antibiotic effective against a wide range of gram-positive, gram-negative, atypical, and intracellular organisms. Used extensively for community-acquired pneumonia,...

Evidence
Strong
Class
Tetracycline Antibiotic

Prescription

Dulaglutide

Dulaglutide is a once-weekly injectable GLP-1 receptor agonist for type 2 diabetes. The REWIND trial uniquely demonstrated cardiovascular benefit in a broader diabetes population, including patients...

Evidence
Strong
Class
GLP-1 Receptor Agonist

Prescription

Duloxetine

Prescription serotonin-norepinephrine reuptake inhibitor (SNRI) approved for major depressive disorder, generalized anxiety disorder, diabetic peripheral neuropathic pain, fibromyalgia, and chronic...

Evidence
Strong
Class
SNRI

Prescription

Dutasteride

Dutasteride is a dual inhibitor of both type I and type II 5-alpha reductase, resulting in more complete DHT suppression than finasteride (~95% vs ~70%). It is approved for the treatment of BPH (as...

Evidence
Strong
Class
5-Alpha Reductase Inhibitor / Urologic

Prescription

Empagliflozin

Empagliflozin is a sodium-glucose cotransporter 2 (SGLT2) inhibitor approved for type 2 diabetes and to reduce cardiovascular death in patients with established cardiovascular disease. It also has...

Evidence
Strong
Class
SGLT2 Inhibitor

Prescription

Enalapril

Enalapril is an ACE inhibitor prodrug with landmark evidence from the SOLVD trial demonstrating mortality reduction in heart failure with reduced ejection fraction. It is widely used for...

Evidence
Strong
Class
ACE Inhibitor

Prescription

Enoxaparin

Enoxaparin is a low-molecular-weight heparin used for prevention and treatment of deep vein thrombosis and pulmonary embolism, as well as in acute coronary syndromes. It is the most widely used LMWH...

Evidence
Strong
Class
Low-Molecular-Weight Heparin (LMWH)

Prescription

Eplerenone

Eplerenone is a selective mineralocorticoid receptor antagonist with significantly less anti-androgenic activity than spironolactone. The EPHESUS trial showed mortality reduction in post-MI patients...

Evidence
Strong
Class
Selective Mineralocorticoid Receptor Antagonist

Prescription

Escitalopram

Prescription selective serotonin reuptake inhibitor (SSRI) approved for major depressive disorder and generalized anxiety disorder. The S-enantiomer of citalopram, it is considered one of the most...

Evidence
Strong
Class
SSRI

Prescription

Esomeprazole

The S-enantiomer of omeprazole, esomeprazole is a potent proton pump inhibitor used to treat GERD, erosive esophagitis, peptic ulcers, and as part of H. pylori eradication therapy. It provides more...

Evidence
Strong
Class
Proton Pump Inhibitor

Prescription

Estradiol

Estradiol is the primary and most potent endogenous estrogen, used in hormone replacement therapy (HRT) for menopausal symptoms including vasomotor symptoms (hot flashes), vulvovaginal atrophy, and...

Evidence
Strong
Class
Estrogen Hormone

Prescription

Eszopiclone

Prescription non-benzodiazepine sedative-hypnotic (Schedule IV controlled substance) approved for insomnia. The S-isomer of zopiclone, it is one of the few prescription sleep aids approved for...

Evidence
Strong
Class
Sedative-Hypnotic (Non-Benzodiazepine)

Prescription

Famotidine

A histamine-2 receptor antagonist used for the treatment and prevention of duodenal and gastric ulcers, GERD, erosive esophagitis, and conditions involving pathological gastric acid hypersecretion....

Evidence
Strong
Class
H2 Receptor Antagonist

Prescription

Febuxostat

A non-purine selective xanthine oxidase inhibitor used for the chronic management of hyperuricemia in patients with gout. Febuxostat is indicated as a second-line urate-lowering agent when...

Evidence
Strong
Class
Xanthine Oxidase Inhibitor (Gout)

Prescription

Fexofenadine

A second-generation antihistamine that is the active carboxylate metabolite of terfenadine. Provides effective relief of allergic rhinitis symptoms and chronic idiopathic urticaria with virtually no...

Evidence
Strong
Class
Second-Generation Antihistamine

Prescription

Finasteride

Finasteride is a selective inhibitor of type II 5-alpha reductase, the enzyme that converts testosterone to dihydrotestosterone (DHT) in the prostate, liver, and skin. At 5 mg (Proscar), it treats...

Evidence
Strong
Class
5-Alpha Reductase Inhibitor / Urologic

Prescription

Flecainide

Flecainide is a class IC antiarrhythmic agent used for prevention of paroxysmal supraventricular tachycardias (PSVT), paroxysmal atrial fibrillation, and life-threatening ventricular arrhythmias....

Evidence
Moderate
Class
Class IC Antiarrhythmic

Prescription

Fluconazole

A first-generation triazole antifungal with excellent activity against most Candida species (except C. krusei and some C. glabrata) and Cryptococcus neoformans. Used for vulvovaginal candidiasis...

Evidence
Strong
Class
Triazole Antifungal

Prescription

Fluoxetine

Prescription selective serotonin reuptake inhibitor (SSRI) approved for major depressive disorder, OCD, panic disorder, bulimia nervosa, and premenstrual dysphoric disorder. Known for its...

Evidence
Strong
Class
SSRI

Prescription

Fluticasone Inhaled

An inhaled corticosteroid (ICS) that is a cornerstone of persistent asthma management. Fluticasone propionate (Flovent) and fluticasone furoate (Arnuity) deliver potent topical anti-inflammatory...

Evidence
Strong
Class
Inhaled Corticosteroid

Prescription

Fluticasone Nasal

An intranasal corticosteroid (INCS) considered the most effective pharmacotherapy class for allergic rhinitis. Fluticasone propionate (Flonase) and fluticasone furoate (Veramyst/Flonase Sensimist)...

Evidence
Strong
Class
Intranasal Corticosteroid

Prescription

Fluvoxamine

Prescription selective serotonin reuptake inhibitor (SSRI) primarily approved for the treatment of obsessive-compulsive disorder (OCD) in adults and children aged 8 and older. Also used off-label...

Evidence
Strong
Class
SSRI

Prescription

Furosemide

Furosemide is a potent loop diuretic used primarily for edema associated with heart failure, cirrhosis, and renal disease. It produces rapid and profound diuresis and is essential for managing acute...

Evidence
Strong
Class
Loop Diuretic

Prescription

Gabapentin

An anticonvulsant and analgesic used for the treatment of postherpetic neuralgia and as adjunctive therapy for partial seizures. Gabapentin is widely used off-label for various neuropathic pain...

Evidence
Strong
Class
Neuropathic Pain Agent (Gabapentinoid)

Prescription

Glimepiride

Glimepiride is a third-generation sulfonylurea used for type 2 diabetes management. It is preferred over glyburide in many patients due to its once-daily dosing, lower risk of hypoglycemia, and...

Evidence
Strong
Class
Sulfonylurea

Prescription

Glipizide

Glipizide is a second-generation sulfonylurea used to improve glycemic control in adults with type 2 diabetes. It stimulates insulin release from functioning pancreatic beta cells and is typically...

Evidence
Strong
Class
Sulfonylurea

Prescription

Glyburide

Glyburide (also known as glibenclamide) is a second-generation sulfonylurea used for glycemic control in type 2 diabetes. It is one of the more potent sulfonylureas and carries a higher risk of...

Evidence
Strong
Class
Sulfonylurea

Prescription

Guanfacine

Prescription non-stimulant medication approved in its extended-release form (Intuniv) for ADHD in children and adolescents aged 6–17. A selective alpha-2A adrenergic receptor agonist that...

Evidence
Moderate
Class
Non-Stimulant ADHD Medication

Prescription

Hydralazine

Hydralazine is a direct arteriolar vasodilator used for hypertension and heart failure. The A-HeFT trial demonstrated significant mortality benefit when combined with isosorbide dinitrate (BiDil) in...

Evidence
Strong
Class
Direct Arteriolar Vasodilator

Prescription

Hydrochlorothiazide

Hydrochlorothiazide (HCTZ) is a thiazide diuretic and one of the most commonly prescribed antihypertensives. It is often used in combination with other agents including ACE inhibitors, ARBs, and...

Evidence
Strong
Class
Thiazide Diuretic

Prescription

Hydrocodone

A semi-synthetic opioid commonly prescribed in combination with acetaminophen (Vicodin, Norco) for the management of pain severe enough to require opioid treatment and for which alternative...

Evidence
Strong
Class
Opioid Analgesic

Prescription

Hydroxychloroquine

An antimalarial drug widely used as a DMARD for the treatment of rheumatoid arthritis and systemic lupus erythematosus (SLE). Hydroxychloroquine is considered one of the safest DMARDs with a...

Evidence
Strong
Class
Disease-Modifying Antirheumatic Drug (DMARD)

Prescription

Hydroxyzine

Prescription first-generation antihistamine used for the management of anxiety, pruritus, and as a preoperative sedative. Available in two salt forms: hydroxyzine pamoate (Vistaril) typically used...

Evidence
Moderate
Class
Non-Benzodiazepine Anxiolytic

Prescription

Ibuprofen

A widely used nonselective NSAID with analgesic, anti-inflammatory, and antipyretic properties. Ibuprofen is first-line therapy for mild-to-moderate pain, inflammatory conditions, dysmenorrhea, and...

Evidence
Strong
Class
Nonsteroidal Anti-Inflammatory Drug (NSAID)

Prescription

Insulin Aspart

Insulin aspart is a rapid-acting insulin analogue for prandial glucose control in type 1 and type 2 diabetes. Fiasp (faster-acting insulin aspart) includes niacinamide and L-arginine to further...

Evidence
Strong
Class
Rapid-Acting Insulin

Prescription

Insulin Glargine

Insulin glargine is a long-acting basal insulin analogue used for glycemic control in type 1 and type 2 diabetes. It provides a relatively flat, peakless insulin profile over approximately 24 hours,...

Evidence
Strong
Class
Long-Acting Insulin

Prescription

Insulin Lispro

Insulin lispro is a rapid-acting insulin analogue used for mealtime (prandial) glycemic control in type 1 and type 2 diabetes. It has a faster onset and shorter duration than regular human insulin,...

Evidence
Strong
Class
Rapid-Acting Insulin

Prescription

Ipratropium

A short-acting muscarinic antagonist (SAMA/short-acting anticholinergic) used for the maintenance treatment of COPD and as an adjunct to beta-agonists in acute severe asthma and COPD exacerbations....

Evidence
Strong
Class
Short-Acting Muscarinic Antagonist (SAMA)

Prescription

Irbesartan

Irbesartan is an ARB with strong evidence from the IDNT and IRMA-2 trials for nephroprotection in type 2 diabetes. It provides effective 24-hour blood pressure control with once-daily dosing and...

Evidence
Strong
Class
Angiotensin II Receptor Blocker (ARB)

Prescription

Isosorbide Mononitrate

Isosorbide mononitrate is a long-acting organic nitrate used for prophylaxis of angina pectoris. It is the active metabolite of isosorbide dinitrate with 100% oral bioavailability. The...

Evidence
Strong
Class
Organic Nitrate

Prescription

Isotretinoin

Isotretinoin (13-cis-retinoic acid) is the most effective treatment for severe, recalcitrant nodular acne that has failed conventional therapy. It is the only acne medication that addresses all four...

Evidence
Strong
Class
Retinoid / Dermatologic

Prescription

Ivabradine

Ivabradine selectively reduces heart rate without affecting blood pressure, contractility, or conduction. The SHIFT trial demonstrated reduced heart failure hospitalization in patients with HFrEF...

Evidence
Strong
Class
Hyperpolarization-Activated Cyclic Nucleotide-Gated (HCN) Channel Blocker

Prescription

Lactulose

A synthetic disaccharide osmotic laxative used for the treatment of chronic constipation and, at higher doses, for the treatment of hepatic encephalopathy. Lactulose is not digested by human enzymes...

Evidence
Strong
Class
Osmotic Laxative

Prescription

Lamotrigine

Prescription mood stabilizer and anticonvulsant approved for maintenance treatment of bipolar I disorder to delay episodes of depression and mania, as well as for epilepsy. Particularly effective...

Evidence
Strong
Class
Mood Stabilizer / Anticonvulsant

Prescription

Lansoprazole

A proton pump inhibitor used for the short-term treatment of active duodenal ulcers, gastric ulcers, erosive esophagitis, GERD, and as part of multi-drug regimens for H. pylori eradication....

Evidence
Strong
Class
Proton Pump Inhibitor

Prescription

Latanoprost

Latanoprost is a prostaglandin F2-alpha analog and the most widely prescribed first-line medication for open-angle glaucoma and ocular hypertension. It reduces intraocular pressure (IOP) by 25-35%...

Evidence
Strong
Class
Prostaglandin Analog / Ophthalmologic

Prescription

Leflunomide

A pyrimidine synthesis inhibitor DMARD used for the treatment of active rheumatoid arthritis and psoriatic arthritis. Leflunomide is an alternative to methotrexate for patients who cannot tolerate...

Evidence
Strong
Class
Disease-Modifying Antirheumatic Drug (DMARD)

Prescription

Levetiracetam

Levetiracetam is a broad-spectrum antiepileptic drug used as monotherapy or adjunctive therapy for partial-onset seizures, myoclonic seizures in juvenile myoclonic epilepsy, and primary generalized...

Evidence
Strong
Class
Antiepileptic

Prescription

Levodopa/Carbidopa

Levodopa/carbidopa is the gold-standard treatment for Parkinson's disease. Levodopa is the metabolic precursor to dopamine and crosses the blood-brain barrier, where it is converted to dopamine by...

Evidence
Strong
Class
Dopaminergic / Antiparkinson

Prescription

Levofloxacin

A third-generation (respiratory) fluoroquinolone with broad-spectrum activity against gram-positive (including S. pneumoniae), gram-negative, and atypical organisms. Often called a 'respiratory...

Evidence
Strong
Class
Fluoroquinolone Antibiotic

Prescription

Levothyroxine

Levothyroxine (synthetic T4) is the standard treatment for hypothyroidism and is one of the most prescribed medications worldwide. It replaces or supplements deficient thyroid hormone, restoring...

Evidence
Strong
Class
Thyroid Hormone

Prescription

Linagliptin

Linagliptin is a DPP-4 inhibitor for type 2 diabetes that is unique in its class because it is primarily eliminated via the bile and gut rather than the kidneys. This means no dose adjustment is...

Evidence
Strong
Class
DPP-4 Inhibitor

Prescription

Liothyronine

Liothyronine is a synthetic form of triiodothyronine (T3), the most metabolically active thyroid hormone. It has a faster onset and shorter duration than levothyroxine and is sometimes used in...

Evidence
Moderate
Class
Thyroid Hormone

Prescription

Liraglutide

Liraglutide is a once-daily injectable GLP-1 receptor agonist approved for type 2 diabetes (Victoza, up to 1.8 mg) and chronic weight management (Saxenda, 3.0 mg). The LEADER trial demonstrated a...

Evidence
Strong
Class
GLP-1 Receptor Agonist

Prescription

Lisdexamfetamine

Prescription central nervous system stimulant (Schedule II controlled substance) approved for ADHD and moderate-to-severe binge eating disorder. A prodrug that requires enzymatic cleavage in the...

Evidence
Strong
Class
CNS Stimulant

Prescription

Lisinopril

Lisinopril is a long-acting ACE inhibitor widely used for hypertension, heart failure, and post-myocardial infarction care. It is one of the most commonly prescribed antihypertensives and has...

Evidence
Strong
Class
ACE Inhibitor

Prescription

Lithium

Prescription mood stabilizer and the gold standard for bipolar disorder treatment, with strong evidence for preventing both manic and depressive episodes and reducing suicide risk. Has a narrow...

Evidence
Strong
Class
Mood Stabilizer

Prescription

Loperamide

A synthetic opioid receptor agonist that acts peripherally on the gastrointestinal tract to reduce diarrhea. Loperamide does not cross the blood-brain barrier at therapeutic doses and therefore...

Evidence
Strong
Class
Anti-Diarrheal

Prescription

Loratadine

A second-generation antihistamine with minimal sedative effects, used for the symptomatic relief of seasonal and perennial allergic rhinitis and chronic idiopathic urticaria. One of the least...

Evidence
Strong
Class
Second-Generation Antihistamine

Prescription

Lorazepam

Prescription benzodiazepine (Schedule IV controlled substance) approved for anxiety disorders, insomnia due to anxiety, and as a preanesthetic agent. Also widely used for acute seizure management,...

Evidence
Strong
Class
Benzodiazepine

Prescription

Losartan

Losartan was the first ARB approved for clinical use and has strong evidence from the LIFE trial for stroke reduction in hypertensive patients with left ventricular hypertrophy. It is also approved...

Evidence
Strong
Class
Angiotensin II Receptor Blocker (ARB)

Prescription

Lovastatin

Lovastatin was the first commercially available statin and is a moderate-intensity agent derived from Aspergillus terreus fungus. It was the first drug to clearly demonstrate that lowering...

Evidence
Strong
Class
HMG-CoA Reductase Inhibitor (Statin)

Prescription

Medroxyprogesterone

Medroxyprogesterone acetate (MPA) is a synthetic progestin used orally (Provera) for secondary amenorrhea, abnormal uterine bleeding, endometrial protection in HRT, and endometriosis. The injectable...

Evidence
Strong
Class
Progestin Hormone

Prescription

Meloxicam

A preferential COX-2 inhibiting NSAID with a long half-life allowing once-daily dosing, used primarily for the treatment of osteoarthritis and rheumatoid arthritis. At lower doses, meloxicam...

Evidence
Strong
Class
Nonsteroidal Anti-Inflammatory Drug (NSAID)

Prescription

Memantine

Memantine is a moderate-affinity, uncompetitive NMDA receptor antagonist indicated for moderate-to-severe Alzheimer's disease. It is the only approved Alzheimer's drug with a non-cholinergic...

Evidence
Moderate
Class
NMDA Antagonist / Alzheimer's

Prescription

Mesalamine

A 5-aminosalicylic acid (5-ASA) agent used as first-line therapy for induction and maintenance of remission in mild-to-moderate ulcerative colitis. Mesalamine acts locally on the colonic mucosa and...

Evidence
Strong
Class
Aminosalicylate (IBD)

Prescription

Metformin

Metformin is the first-line oral medication for type 2 diabetes mellitus. It lowers blood glucose by reducing hepatic glucose production and improving insulin sensitivity in peripheral tissues. It...

Evidence
Strong
Class
Biguanide

Prescription

Methimazole

Methimazole is the preferred antithyroid medication for the treatment of hyperthyroidism, including Graves' disease and toxic multinodular goiter. It inhibits thyroid hormone synthesis and is used...

Evidence
Strong
Class
Antithyroid Agent

Prescription

Methocarbamol

A centrally acting skeletal muscle relaxant used as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions....

Evidence
Moderate
Class
Skeletal Muscle Relaxant

Prescription

Methotrexate

The anchor DMARD and most widely used first-line therapy for rheumatoid arthritis, also indicated for psoriatic arthritis, psoriasis, and certain cancers. Low-dose weekly methotrexate is the...

Evidence
Strong
Class
Disease-Modifying Antirheumatic Drug (DMARD)

Prescription

Methylphenidate

Prescription central nervous system stimulant (Schedule II controlled substance) approved for attention-deficit/hyperactivity disorder (ADHD) and narcolepsy. One of the most extensively studied...

Evidence
Strong
Class
CNS Stimulant

Prescription

Methylprednisolone

Methylprednisolone is a synthetic glucocorticoid available in oral, intramuscular, intravenous, and intra-articular formulations. IV methylprednisolone (Solu-Medrol) is frequently used for acute...

Evidence
Strong
Class
Corticosteroid

Prescription

Metoclopramide

A dopamine D2 receptor antagonist and prokinetic agent used for the treatment of GERD, diabetic gastroparesis, and prevention of nausea and vomiting associated with chemotherapy and surgery....

Evidence
Strong
Class
Prokinetic Antiemetic

Prescription

Metoprolol

Metoprolol is a cardioselective beta-1 blocker available in immediate-release (tartrate) and extended-release (succinate) formulations. The MERIT-HF trial demonstrated significant mortality...

Evidence
Strong
Class
Beta-1 Selective Adrenergic Blocker

Prescription

Metronidazole

A nitroimidazole antimicrobial with potent activity against anaerobic bacteria and certain protozoa. Alternative treatment for Clostridioides difficile infection when vancomycin or fidaxomicin is...

Evidence
Strong
Class
Nitroimidazole Antibiotic/Antiprotozoal

Prescription

Mirabegron

Mirabegron is the first-in-class beta-3 adrenergic receptor agonist approved for the treatment of overactive bladder (OAB) with symptoms of urge incontinence, urgency, and urinary frequency. It...

Evidence
Strong
Class
Beta-3 Agonist / Overactive Bladder

Prescription

Mirtazapine

Prescription noradrenergic and specific serotonergic antidepressant (NaSSA) approved for major depressive disorder. Known for its sedating and appetite-stimulating properties, which can be...

Evidence
Strong
Class
Atypical Antidepressant (NaSSA)

Prescription

Mometasone Nasal

An intranasal corticosteroid for the treatment of allergic rhinitis (seasonal and perennial) and nasal polyps. Mometasone furoate nasal spray has one of the lowest systemic bioavailabilities (<0.1%)...

Evidence
Strong
Class
Intranasal Corticosteroid

Prescription

Montelukast

A leukotriene receptor antagonist (LTRA) used for the maintenance treatment of asthma, exercise-induced bronchoconstriction, and allergic rhinitis. Blocks cysteinyl leukotriene receptor CysLT1,...

Evidence
Strong
Class
Leukotriene Receptor Antagonist

Prescription

Morphine

The prototypical opioid analgesic, morphine is used for the management of severe pain when non-opioid alternatives are inadequate. It is the standard against which other opioids are compared....

Evidence
Strong
Class
Opioid Analgesic

Prescription

Naproxen

A long-acting nonselective NSAID with analgesic, anti-inflammatory, and antipyretic properties. Naproxen's longer half-life allows twice-daily dosing, making it convenient for chronic inflammatory...

Evidence
Strong
Class
Nonsteroidal Anti-Inflammatory Drug (NSAID)

Prescription

Nifedipine

Nifedipine is a dihydropyridine calcium channel blocker used for hypertension and angina (including vasospastic/Prinzmetal angina). The extended-release formulation is preferred; immediate-release...

Evidence
Strong
Class
Dihydropyridine Calcium Channel Blocker

Prescription

Nitrofurantoin

A nitrofuran antibiotic used exclusively for the treatment and prophylaxis of uncomplicated urinary tract infections. Active against most common UTI pathogens including E. coli (resistance remains...

Evidence
Strong
Class
Nitrofuran Antibiotic

Prescription

Nitroglycerin

Nitroglycerin is a potent vasodilator used for acute relief and prevention of angina pectoris, as well as management of acute heart failure and hypertensive emergencies. Sublingual nitroglycerin is...

Evidence
Strong
Class
Organic Nitrate

Prescription

Nortriptyline

Prescription tricyclic antidepressant (TCA) approved for major depressive disorder. The active metabolite of amitriptyline with a more favorable side effect profile, including less sedation and...

Evidence
Strong
Class
Tricyclic Antidepressant (TCA)

Prescription

Olanzapine

Prescription second-generation (atypical) antipsychotic approved for schizophrenia, bipolar I disorder (manic or mixed episodes), and in combination with fluoxetine for treatment-resistant...

Evidence
Strong
Class
Atypical Antipsychotic

Prescription

Olmesartan

Olmesartan is a potent ARB that provides effective blood pressure reduction with once-daily dosing. It is available in multiple fixed-dose combinations. Notably, it carries a unique FDA warning for...

Evidence
Strong
Class
Angiotensin II Receptor Blocker (ARB)

Prescription

Omeprazole

A widely prescribed proton pump inhibitor (PPI) used to treat gastroesophageal reflux disease (GERD), peptic ulcers, erosive esophagitis, and Zollinger-Ellison syndrome. Omeprazole reduces stomach...

Evidence
Strong
Class
Proton Pump Inhibitor

Prescription

Ondansetron

A selective serotonin 5-HT3 receptor antagonist used for the prevention and treatment of nausea and vomiting caused by chemotherapy, radiation therapy, and surgery. Ondansetron is one of the most...

Evidence
Strong
Class
Antiemetic (5-HT3 Antagonist)

Prescription

Oseltamivir

A neuraminidase inhibitor antiviral used for the treatment and prevention of influenza A and B. Most effective when started within 48 hours of symptom onset, reducing symptom duration by...

Evidence
Moderate
Class
Neuraminidase Inhibitor Antiviral

Prescription

Oxybutynin

Oxybutynin is an antimuscarinic agent used for the treatment of overactive bladder (OAB) symptoms including urge urinary incontinence, urgency, and frequency. It is one of the oldest and most...

Evidence
Strong
Class
Anticholinergic / Overactive Bladder

Prescription

Oxycodone

A potent semi-synthetic opioid analgesic used for the management of moderate to severe pain when non-opioid alternatives are inadequate. Available as immediate-release (often combined with...

Evidence
Strong
Class
Opioid Analgesic

Prescription

Pantoprazole

A proton pump inhibitor commonly used in both oral and intravenous formulations for the treatment of erosive esophagitis associated with GERD, Zollinger-Ellison syndrome, and pathological...

Evidence
Strong
Class
Proton Pump Inhibitor

Prescription

Paroxetine

Prescription selective serotonin reuptake inhibitor (SSRI) approved for major depressive disorder, GAD, panic disorder, social anxiety disorder, OCD, and PTSD. Notable for its potent serotonin...

Evidence
Strong
Class
SSRI

Prescription

Phenytoin

Phenytoin is one of the oldest and most widely used antiepileptic drugs, effective for partial seizures and generalized tonic-clonic seizures. It is also used for seizure prevention after...

Evidence
Strong
Class
Antiepileptic

Prescription

Polyethylene Glycol

An osmotic laxative composed of polyethylene glycol 3350, used for the treatment of occasional constipation and chronic idiopathic constipation. PEG 3350 is also used in higher doses for bowel...

Evidence
Strong
Class
Osmotic Laxative

Prescription

Pramipexole

Pramipexole is a non-ergot dopamine agonist with preferential affinity for D3 receptors, used for the treatment of early and advanced Parkinson's disease and moderate-to-severe restless legs...

Evidence
Strong
Class
Dopaminergic / Antiparkinson

Prescription

Prasugrel

Prasugrel is a third-generation thienopyridine P2Y12 inhibitor with faster onset, greater potency, and less inter-patient variability than clopidogrel. The TRITON-TIMI 38 trial demonstrated superior...

Evidence
Strong
Class
Antiplatelet Agent (P2Y12 Inhibitor)

Prescription

Pravastatin

Pravastatin is a moderate-intensity hydrophilic statin with proven cardiovascular benefits in primary and secondary prevention. Unlike lipophilic statins, it is not metabolized by CYP3A4 or CYP2D6,...

Evidence
Strong
Class
HMG-CoA Reductase Inhibitor (Statin)

Prescription

Prednisolone

Prednisolone is the active metabolite of prednisone and is used when hepatic conversion is a concern (e.g., liver disease, pediatric patients). It is available as a liquid formulation, making it...

Evidence
Strong
Class
Corticosteroid

Prescription

Prednisone

Prednisone is an oral synthetic corticosteroid widely used for its anti-inflammatory and immunosuppressive properties. It treats a broad range of conditions including autoimmune diseases, allergic...

Evidence
Strong
Class
Corticosteroid

Prescription

Pregabalin

A gabapentinoid anticonvulsant FDA-approved for neuropathic pain associated with diabetic peripheral neuropathy, postherpetic neuralgia, fibromyalgia, neuropathic pain due to spinal cord injury, and...

Evidence
Strong
Class
Neuropathic Pain Agent (Gabapentinoid)

Prescription

Promethazine

A first-generation phenothiazine antihistamine with antiemetic, sedative, and anticholinergic properties. Promethazine is used for prevention and treatment of nausea and vomiting from various...

Evidence
Strong
Class
Antiemetic (Phenothiazine)

Prescription

Propranolol

Propranolol is a non-selective beta-blocker that blocks both beta-1 and beta-2 receptors. It was the first clinically useful beta-blocker and is used for hypertension, angina, arrhythmias, migraine...

Evidence
Strong
Class
Non-Selective Beta-Adrenergic Blocker

Prescription

Pseudoephedrine

An oral sympathomimetic decongestant used for temporary relief of nasal and sinus congestion associated with the common cold, allergic rhinitis, and sinusitis. Acts as an alpha-adrenergic agonist to...

Evidence
Moderate
Class
Sympathomimetic Decongestant

Prescription

Quetiapine

Prescription second-generation (atypical) antipsychotic approved for schizophrenia, bipolar disorder (manic and depressive episodes), and as adjunctive therapy for major depressive disorder. Also...

Evidence
Strong
Class
Atypical Antipsychotic

Prescription

Ramipril

Ramipril is an ACE inhibitor with strong evidence from the HOPE trial showing cardiovascular risk reduction in high-risk patients without heart failure or low ejection fraction. It is used for...

Evidence
Strong
Class
ACE Inhibitor

Prescription

Ranolazine

Ranolazine is a unique anti-anginal agent that works by inhibiting the late sodium current without significant hemodynamic effects. Unlike other anti-anginals, it does not significantly reduce heart...

Evidence
Moderate
Class
Late Sodium Current Inhibitor

Prescription

Risedronate

Risedronate is a nitrogen-containing bisphosphonate used for the treatment and prevention of postmenopausal and glucocorticoid-induced osteoporosis, male osteoporosis, and Paget's disease. The VERT...

Evidence
Strong
Class
Bisphosphonate

Prescription

Risperidone

Prescription second-generation (atypical) antipsychotic approved for schizophrenia, bipolar mania, and irritability associated with autistic disorder. One of the most widely studied atypical...

Evidence
Strong
Class
Atypical Antipsychotic

Prescription

Rivaroxaban

Rivaroxaban is a direct factor Xa inhibitor approved for stroke prevention in non-valvular atrial fibrillation, DVT/PE treatment and prevention, and secondary cardiovascular prevention (with aspirin...

Evidence
Strong
Class
Direct Oral Anticoagulant (DOAC)

Prescription

Rizatriptan

Rizatriptan is a second-generation triptan for the acute treatment of migraine with or without aura. It has faster onset and higher consistency of response compared to sumatriptan in some studies....

Evidence
Strong
Class
Triptan / Antimigraine

Prescription

Ropinirole

Ropinirole is a non-ergot dopamine agonist selective for D2/D3 receptors, approved for Parkinson's disease and moderate-to-severe restless legs syndrome. Similar to pramipexole, it provides an...

Evidence
Strong
Class
Dopaminergic / Antiparkinson

Prescription

Rosuvastatin

Rosuvastatin is a high-intensity statin and one of the most potent agents for lowering LDL cholesterol. The JUPITER trial demonstrated its benefit in primary prevention among patients with elevated...

Evidence
Strong
Class
HMG-CoA Reductase Inhibitor (Statin)

Prescription

Sacubitril/Valsartan

Sacubitril/valsartan is a first-in-class ARNI that combines neprilysin inhibition with AT1 receptor blockade. The PARADIGM-HF trial demonstrated a 20% reduction in cardiovascular death and heart...

Evidence
Strong
Class
Angiotensin Receptor-Neprilysin Inhibitor (ARNI)

Prescription

Semaglutide

Semaglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist available as a once-weekly injection (Ozempic for diabetes, Wegovy for obesity) and as a daily oral tablet (Rybelsus for diabetes)....

Evidence
Strong
Class
GLP-1 Receptor Agonist

Prescription

Sertraline

Prescription selective serotonin reuptake inhibitor (SSRI) commonly prescribed for major depressive disorder, generalized anxiety disorder, panic disorder, PTSD, OCD, and social anxiety disorder....

Evidence
Strong
Class
SSRI

Prescription

Sildenafil

Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor originally developed for angina and subsequently approved for erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). As...

Evidence
Strong
Class
PDE5 Inhibitor

Prescription

Simvastatin

Simvastatin is a moderate-to-high intensity statin with landmark evidence from the 4S and HPS trials demonstrating significant cardiovascular mortality reduction. It is administered as an inactive...

Evidence
Strong
Class
HMG-CoA Reductase Inhibitor (Statin)

Prescription

Sitagliptin

Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor used for type 2 diabetes. It enhances the body's incretin system to improve glycemic control. It is well tolerated, weight-neutral, and has...

Evidence
Strong
Class
DPP-4 Inhibitor

Prescription

Sotalol

Sotalol has dual properties: non-selective beta-blockade (class II) and potassium channel blockade that prolongs repolarization (class III). It is used for atrial fibrillation/flutter and...

Evidence
Moderate
Class
Class III Antiarrhythmic / Non-Selective Beta-Blocker

Prescription

Spironolactone

Spironolactone is a non-selective mineralocorticoid receptor antagonist with landmark evidence from the RALES trial demonstrating a 30% mortality reduction in severe heart failure. It is also used...

Evidence
Strong
Class
Potassium-Sparing Diuretic / Mineralocorticoid Receptor Antagonist

Prescription

Sulfasalazine

A prodrug combining sulfapyridine and 5-aminosalicylic acid (5-ASA) linked by an azo bond, used for the treatment of mild-to-moderate ulcerative colitis and rheumatoid arthritis. Colonic bacteria...

Evidence
Strong
Class
Aminosalicylate (IBD/DMARD)

Prescription

Sumatriptan

Sumatriptan is the prototypical triptan and the first serotonin 5-HT1B/1D receptor agonist developed specifically for the acute treatment of migraine attacks with or without aura. It is also...

Evidence
Strong
Class
Triptan / Antimigraine

Prescription

Suvorexant

Prescription dual orexin receptor antagonist (DORA; Schedule IV controlled substance) approved for insomnia characterized by difficulty with sleep onset and/or sleep maintenance. Represents a novel...

Evidence
Moderate
Class
Sedative-Hypnotic (Orexin Receptor Antagonist)

Prescription

Tadalafil

Tadalafil is a long-acting PDE5 inhibitor approved for erectile dysfunction (ED), benign prostatic hyperplasia (BPH), and pulmonary arterial hypertension (PAH). Its prolonged duration of action (up...

Evidence
Strong
Class
PDE5 Inhibitor

Prescription

Tamsulosin

Tamsulosin is a selective alpha-1A adrenergic receptor antagonist used to treat lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH). Its selectivity for the...

Evidence
Strong
Class
Alpha-1 Blocker / Urologic

Prescription

Terbinafine

An allylamine antifungal that is the treatment of choice for dermatophyte infections (onychomycosis, tinea capitis). Highly effective against Trichophyton, Microsporum, and Epidermophyton species....

Evidence
Strong
Class
Allylamine Antifungal

Prescription

Testosterone

Testosterone replacement therapy (TRT) is indicated for male hypogonadism when low testosterone levels are confirmed by laboratory testing with consistent signs and symptoms. The Testosterone Trials...

Evidence
Strong
Class
Androgen Hormone

Prescription

Ticagrelor

Ticagrelor is a direct-acting, reversible P2Y12 receptor inhibitor that does not require hepatic activation. The PLATO trial demonstrated superiority over clopidogrel in reducing cardiovascular...

Evidence
Strong
Class
Antiplatelet Agent (P2Y12 Inhibitor)

Prescription

Timolol Ophthalmic

Timolol is a non-selective beta-adrenergic receptor antagonist used topically to reduce intraocular pressure (IOP) in open-angle glaucoma and ocular hypertension. For decades it was the...

Evidence
Strong
Class
Beta-Blocker / Ophthalmologic

Prescription

Tiotropium

A long-acting muscarinic antagonist (LAMA/long-acting anticholinergic) that is a first-line maintenance bronchodilator for COPD and an add-on controller for moderate-to-severe asthma. Provides...

Evidence
Strong
Class
Long-Acting Muscarinic Antagonist (LAMA)

Prescription

Tizanidine

A centrally acting alpha-2 adrenergic agonist used for the management of spasticity associated with multiple sclerosis and spinal cord injury. Tizanidine provides muscle relaxation with shorter...

Evidence
Strong
Class
Skeletal Muscle Relaxant (Antispastic)

Prescription

Topiramate

Topiramate is a broad-spectrum antiepileptic approved for partial-onset and primary generalized tonic-clonic seizures, Lennox-Gastaut syndrome, and migraine prophylaxis. It is also used off-label...

Evidence
Strong
Class
Antiepileptic

Prescription

Tramadol

A centrally acting synthetic opioid analgesic with a dual mechanism of action, used for the management of moderate to moderately severe pain. Tramadol has weaker mu-opioid receptor affinity than...

Evidence
Strong
Class
Opioid Analgesic (Atypical)

Prescription

Trazodone

Prescription serotonin antagonist and reuptake inhibitor (SARI) approved for major depressive disorder. Most commonly used off-label at low doses as a sleep aid due to its potent sedating and...

Evidence
Moderate
Class
Atypical Antidepressant (SARI)

Prescription

Tretinoin Oral

Oral tretinoin (all-trans retinoic acid, ATRA) is a retinoid that induces differentiation of immature promyelocytes into mature granulocytes. It is the cornerstone of treatment for acute...

Evidence
Strong
Class
Retinoid / Dermatologic-Oncologic

Prescription

Trimethoprim-Sulfamethoxazole

A synergistic combination antibiotic containing trimethoprim and sulfamethoxazole in a 1:5 ratio. Effective against many gram-positive and gram-negative organisms. A first-line agent for...

Evidence
Strong
Class
Sulfonamide/Diaminopyrimidine Combination

Prescription

Valacyclovir

The L-valyl ester prodrug of acyclovir, providing 3-5 times higher oral bioavailability than acyclovir. This allows less frequent dosing (2-3 times daily vs 5 times daily) with equivalent or...

Evidence
Strong
Class
Nucleoside Analog Antiviral (Prodrug)

Prescription

Valproic Acid

Prescription mood stabilizer and anticonvulsant approved for bipolar mania, epilepsy (multiple seizure types), and migraine prophylaxis. Effective for acute mania and mixed episodes. Carries...

Evidence
Strong
Class
Mood Stabilizer / Anticonvulsant

Prescription

Valsartan

Valsartan is an ARB with evidence from the Val-HeFT and VALIANT trials for heart failure and post-MI management. It is also a key component of the combination drug sacubitril/valsartan (Entresto),...

Evidence
Strong
Class
Angiotensin II Receptor Blocker (ARB)

Prescription

Venlafaxine

Prescription serotonin-norepinephrine reuptake inhibitor (SNRI) approved for major depressive disorder, generalized anxiety disorder, social anxiety disorder, and panic disorder. Exhibits...

Evidence
Strong
Class
SNRI

Prescription

Verapamil

Verapamil is a phenylalkylamine-type non-dihydropyridine calcium channel blocker with the strongest negative inotropic and chronotropic effects among CCBs. It is used for hypertension, angina,...

Evidence
Strong
Class
Non-Dihydropyridine Calcium Channel Blocker

Prescription

Warfarin

Warfarin is an oral vitamin K antagonist anticoagulant used for prevention and treatment of thromboembolic disorders including atrial fibrillation, mechanical heart valves, deep vein thrombosis, and...

Evidence
Strong
Class
Anticoagulant (Vitamin K Antagonist)

Prescription

Zoledronic Acid

Zoledronic acid is the most potent bisphosphonate available, administered as an annual IV infusion for osteoporosis (Reclast) or more frequently for hypercalcemia of malignancy and bone metastases...

Evidence
Strong
Class
Bisphosphonate

Prescription

Zolpidem

Prescription non-benzodiazepine sedative-hypnotic (Schedule IV controlled substance) approved for the short-term treatment of insomnia. Selectively targets GABA-A receptors containing the alpha-1...

Evidence
Strong
Class
Sedative-Hypnotic (Non-Benzodiazepine)

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