NSTK · 01.2026Independent supplement reference
NutriStack
Edition 1.0Updated July 13, 2026

Furosemide

Prescription ·Exploratory record · not publication-reviewed ·Updated July 13, 2026

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 decompensated heart failure and volume overload. Available in oral and IV formulations.

Evidence tier
Strong
Indexed sources
10 2021–2025
Interactions
0
Depletes
6 nutrients
Read the sources → Compare profiles
Publication status

Exploratory record, not a reviewed medical publication.

See the editorial and medical-review policies for the publication gate.

This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.

In short

What the research says.

A quick, data-only summary. The full evidence, dosing, and sources are below.

Furosemide is a potent loop diuretic used primarily for edema associated with heart failure, cirrhosis, and renal disease. NutriStack rates the supporting evidence as strong. Common adult dosing is 20–240 mg daily in 1–2 divided doses (as prescribed by your physician), though a prescriber sets the actual dose. With long-term use it can deplete potassium, magnesium, calcium. This profile indexes 10 sources.

What it's good for
  • Rapid relief of pulmonary and peripheral edema
  • Essential for acute decompensated heart failure6,1
  • Available IV for emergencies
  • Effective even in advanced renal impairment
What to watch for
  • Hypokalemia
  • Hyponatremia and hypomagnesemia
  • Dehydration and volume depletion
  • Anuria
  • Hypersensitivity to furosemide or sulfonamides1,2

The bottom line

Evidence rating strong. Most-documented uses: rapid relief of pulmonary and peripheral edema, essential for acute decompensated heart failure, available iv for emergencies. 10 sources indexed (2021–2025), with 0 interaction records on file.

The science

How it works, mechanistically.

Core mechanism

Inhibits the sodium-potassium-2 chloride (NKCC2) cotransporter in the thick ascending limb of the loop of Henle. This blocks reabsorption of ~25% of filtered sodium, producing potent diuresis. Also increases renal blood flow via prostaglandin-mediated vasodilation. Reduces preload and pulmonary congestion rapidly.

Class
Loop Diuretic
Dosing

Dosing & protocol.

Common range
20–240 mg daily in 1–2 divided doses (as prescribed by your physician)
Recommended form
Oral tablet or IV injection

Take in the morning (or morning and early afternoon) to avoid nocturia; oral bioavailability is variable (10–100%); food may slow absorption6

Depletions

What it depletes.

Nutrients this medication can lower over time, and what to replace.

Potassium

Significant

Loop diuresis can sharply increase distal sodium delivery and urinary potassium secretion, creating clinically important potassium wasting that requires lab-guided management.

Replace Clinician-guided potassium repletion if serum potassium is lowMonitor Serum potassium + kidney functionOnset Can develop within days

Magnesium

Significant

Loop diuretics reduce paracellular magnesium reabsorption in the thick ascending limb, increasing renal losses.

Replace Magnesium GlycinateMonitor Serum magnesium or RBC magnesiumOnset Can develop within days to weeks

Calcium

Moderate

Loop diuretics reduce calcium reabsorption in the thick ascending limb, increasing urinary calcium loss.

Replace CalciumMonitor Serum calciumOnset Usually over days to weeks

Sodium

Moderate

Potent natriuresis can produce hyponatremia, especially with higher doses or high free-water intake.

Monitor Serum sodiumOnset Can develop within days

Zinc

Mild

Chronic loop diuretic use can increase urinary zinc excretion and lower zinc balance over time.

Replace Zinc PicolinateMonitor Serum zincOnset Usually over weeks to months

Thiamine

Moderate

Chronic high urine flow increases renal thiamine losses and can worsen marginal thiamine status.

Replace Vitamin B1Monitor Whole blood thiamineOnset Usually over weeks to months

Full Furosemide depletion and interaction guide →

Safety

Full safety detail.

Side effects

  • Hypokalemia
  • Hyponatremia and hypomagnesemia
  • Dehydration and volume depletion
  • Orthostatic hypotension
  • Ototoxicity (especially with rapid IV administration)
  • Hyperuricemia and gout
  • Hyperglycemia
  • Metabolic alkalosis

Contraindications

  • Anuria
  • Hypersensitivity to furosemide or sulfonamides1,2
  • Severe electrolyte depletion (uncorrected)
  • Hepatic coma
Sources

Sources, by evidence tier.

Numbered references. Citations throughout the page link here.

Meta-analyses & systematic reviews

5

Reference material

5
FAQ

Common questions.

Quick answers about Furosemide, drawn from the data on this page.

What is 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 decompensated heart failure and volume overload. Available in oral and IV formulations.

What is Furosemide used for?

Commonly cited benefits of Furosemide include: Rapid relief of pulmonary and peripheral edema; Essential for acute decompensated heart failure; Available IV for emergencies; Effective even in advanced renal impairment. NutriStack rates the overall evidence as strong.

What is a typical dose of Furosemide?

A typical adult dose of Furosemide is 20–240 mg daily in 1–2 divided doses (as prescribed by your physician). The commonly recommended form is Oral tablet or IV injection. These are general ranges, not personalized advice; confirm the right dose with a clinician.

What are the side effects of Furosemide?

Reported side effects include hypokalemia, hyponatremia and hypomagnesemia, dehydration and volume depletion, orthostatic hypotension, ototoxicity (especially with rapid iv administration), hyperuricemia and gout. This is educational information; check with a healthcare professional before use.

How strong is the evidence for Furosemide?

NutriStack rates this as Strong, meaning multiple high-quality meta-analyses or systematic reviews converge on the same finding. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.

Use this with your stack

Furosemide in NutriStack.

Add it to your stack, see how it interacts with everything else you take, and get a Stack Score that updates the moment it does.

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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.