Meloxicam

Prescription ·Strong evidence ·Reviewed May 2026

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 demonstrates relative COX-2 selectivity, which may confer a somewhat lower risk of GI adverse effects compared to fully nonselective NSAIDs.

What it's good for
  • Treatment of osteoarthritis pain and inflammation1,6
  • Treatment of rheumatoid arthritis
  • Once-daily dosing convenience
  • Potentially lower GI risk than nonselective NSAIDs at low doses3
What to watch for
  • Dyspepsia
  • Nausea and diarrhea
  • Peripheral edema
  • Known hypersensitivity to meloxicam or other NSAIDs1,2
  • History of aspirin-sensitive asthma

The bottom line

Evidence rating strong. Most-documented uses: treatment of osteoarthritis pain and inflammation, treatment of rheumatoid arthritis, once-daily dosing convenience. 12 sources indexed (1999–2024), with 6 interaction records on file.

The science

How it works, mechanistically.

Core mechanism

Preferentially inhibits cyclooxygenase-2 (COX-2) over COX-1 at therapeutic doses, reducing prostaglandin synthesis involved in inflammation, pain, and fever while partially sparing the COX-1-mediated gastroprotective prostaglandins. At higher doses, COX-2 selectivity diminishes and GI risk increases.

Class
Nonsteroidal Anti-Inflammatory Drug (NSAID)
Absorption
Water-soluble; take with food
Dosing

Dosing & protocol.

Common range
7.5–15 mg once daily (as prescribed by your physician)
Recommended form
Tablet or oral suspension

May be taken with or without food, but food may reduce GI upset3,7

Safety

Full safety detail.

Side effects

  • Dyspepsia
  • Nausea and diarrhea
  • Peripheral edema
  • Headache
  • Dizziness
  • Elevated blood pressure
  • GI bleeding and ulceration (lower incidence at 7.5 mg)
  • Renal impairment

Contraindications

  • Known hypersensitivity to meloxicam or other NSAIDs1,2
  • History of aspirin-sensitive asthma
  • Active GI bleeding or peptic ulcer disease
  • Severe renal impairment (CrCl <15 mL/min)2,6
  • Third trimester of pregnancy
  • Perioperative pain in CABG surgery1,6
Interactions

Interaction records.

SeriousCaution

Alcohol

Alcohol can increase the risk of stomach bleeding while taking meloxicam. Meloxicam is somewhat COX-2 selective but still causes clinically meaningful NSAID GI injury, especially with chronic use. Risk is higher with older age, prior ulcers, high dose, dehydration, or other bleeding-risk drugs.

Recommendation: Avoid heavy alcohol while taking meloxicam. If meloxicam is used daily, report black stools, vomiting blood, worsening stomach pain, dizziness, or unusual weakness right away.

SeriousCaution

Potassium

Meloxicam can reduce renal potassium excretion, and potassium supplements can raise potassium further. Risk is most clinically important with kidney disease, diabetes, older age, dehydration, ACE inhibitors, ARBs, or potassium-sparing diuretics. Severe hyperkalemia can cause dangerous heart rhythm changes.

Recommendation: Avoid potassium supplements with daily meloxicam unless your clinician has recommended and is monitoring them. Check serum potassium and kidney function if both are needed, especially after illness or dehydration.

ModerateCaution

Ginkgo Biloba

Ginkgo biloba may add bleeding risk to meloxicam. Meloxicam can still cause NSAID GI injury despite partial COX-2 selectivity, and ginkgo has case reports of spontaneous bleeding. Risk is higher with daily meloxicam, older age, ulcer history, or additional blood-thinning medicines.

Recommendation: Avoid ginkgo if you use meloxicam every day or have a history of ulcers or bleeding. If both are used, watch for unusual bruising, nosebleeds, black stools, or severe headache.

SeriousCaution

Nattokinase

Nattokinase may add fibrinolytic effects to meloxicam's NSAID bleeding risk. Meloxicam can still cause GI injury with daily use, and nattokinase may make bleeding harder to stop. Risk is higher with prior ulcers, procedures, older age, or other blood-thinning medicines.

Recommendation: Avoid nattokinase if you use meloxicam daily or have bleeding risk factors. Stop nattokinase before procedures unless your clinician specifically recommends continuing it.

ModerateCaution

Turmeric/Curcumin

Concentrated turmeric/curcumin may add antiplatelet effects to meloxicam's bleeding risk. Meloxicam can still injure the GI tract with daily use, and curcumin has experimental antiplatelet activity. The concern is higher with high-dose curcumin, ulcer history, older age, procedures, or other blood-thinning medicines.

Recommendation: Avoid high-dose curcumin supplements if you take meloxicam daily or have bleeding risk factors. Watch for bruising, nosebleeds, black stools, or vomiting blood if both are used.

ModerateCaution

Fish Oil

High-dose fish oil may add mild antiplatelet activity to meloxicam's GI bleeding risk. Most randomized-trial data do not show major bleeding increases at usual omega-3 doses, but high-dose EPA/DHA and other bleeding risks can matter. The combination is more important with daily meloxicam, ulcer history, aspirin use, or planned procedures.

Recommendation: Use caution with high-dose fish oil while taking meloxicam daily. Tell your clinician before procedures and monitor for black stools, vomiting blood, nosebleeds, or unusual bruising.

Sources

Sources, by evidence tier.

Numbered references. Citations throughout the page link here.

Meta-analyses & systematic reviews

4

Randomized controlled trials

3
Keep exploring

Deep dives & adjacent profiles.

This page is educational. Do not start, stop, or change a supplement or medication based on it without checking with a qualified healthcare professional.

Use this with your stack

Meloxicam in NutriStack.

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NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.