What it's used for
Furosemide tablets are used to treat edema associated with congestive heart failure, liver cirrhosis, and kidney disease, as well as to treat hypertension in adults either alone or with other medications.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
Treatment must be individualized based on patient response, with the usual initial adult oral dose ranging from 20 to 80 mg given as a single dose.
Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.
Boxed warning / key safety info
As a potent diuretic, excessive amounts of furosemide can lead to profound water and electrolyte depletion, requiring careful medical supervision.
Common side effects
Adverse reactions include gastrointestinal issues like nausea, vomiting, diarrhea, cramping, and increased liver enzymes, as well as serious hypersensitivity reactions.
Covered strengths on the Tab $0 list
Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.
Related medications
Other heart, blood pressure & cholesterol medications covered at $0 with an active Tab membership.
Furosemide cost without insurance
Cash prices for Furosemide without insurance vary widely by pharmacy, strength and quantity — the same prescription can cost very different amounts at two pharmacies in the same town. That is the problem a membership solves.
Furosemide is on Tab's covered $0 generic list. With an active Tab membership, every covered strength is $0 — not a percentage off, not a coupon that changes month to month — at participating pharmacies nationwide or through mail order. You do not need insurance, and Tab works whether or not you have a health plan.
Tab is a membership, not insurance. Covered medications require a prescription from a licensed clinician.
Furosemide dosage and administration
Edema Therapy should be individualized according to patient response to gain maximal therapeutic response and to determine the minimal dose needed to maintain that response. Adults: The usual initial dose of furosemide tablets is 20 to 80 mg given as a single dose. Ordinarily a prompt diuresis ensues. If needed, the same dose can be administered 6 to 8 hours later or the dose may be increased. The dose may be raised by 20 or 40 mg and given not sooner than 6 to 8 hours after the previous dose until the desired diuretic effect has been obtained. The individually determined single dose should then be given once or twice daily (e.g., at 8 am and 2 pm). The dose of furosemide tablets may be carefully titrated up to 600 mg/day in patients with clinically severe edematous states.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Your prescribing clinician decides the exact dose, form and schedule for you — this is not medical advice.
Furosemide side effects
Adverse reactions are categorized below by organ system and listed by decreasing severity. Gastrointestinal System Reactions 1. hepatic encephalopathy in patients with hepatocellular insufficiency 2. pancreatitis 3. jaundice (intrahepatic cholestatic jaundice) 4. increased liver enzymes 5. anorexia 6. oral and gastric irritation 7. cramping 8. diarrhea 9. constipation 10. nausea 11. vomiting Systemic Hypersensitivity Reactions 1. severe anaphylactic or anaphylactoid reactions (e.g., with shock) 2. systemic vasculitis 3. interstitial nephritis 4. necrotizing angiitis Central Nervous System Reactions 1. tinnitus and hearing loss 2. paresthesias 3. vertigo 4. dizziness 5. headache 6. blurred vision 7. xanthopsia Hematologic Reactions 1. aplastic anemia 2. thrombocytopenia 3. agranulocytosis 4. hemolytic anemia 5. leukopenia 6. anemia 7.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. This is not a complete list. Report side effects to your clinician, and seek care for anything severe or unexpected.
Furosemide drug interactions
Furosemide may increase the ototoxic potential of aminoglycoside antibiotics, especially in the presence of impaired renal function. Except in life-threatening situations, avoid this combination. Furosemide should not be used concomitantly with ethacrynic acid because of the possibility of ototoxicity. Patients receiving high doses of salicylates concomitantly with furosemide, as in rheumatic disease, may experience salicylate toxicity at lower doses because of competitive renal excretory sites. There is a risk of ototoxic effects if cisplatin and furosemide are given concomitantly. In addition, nephrotoxicity of nephrotoxic drugs such as cisplatin may be enhanced if furosemide is not given in lower doses and with positive fluid balance when used to achieve forced diuresis during cisplatin treatment.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Tell your clinician and pharmacist about every medication, supplement and over-the-counter product you take.
Who should not take furosemide
Furosemide tablets are contraindicated in patients with anuria and in patients with a history of hypersensitivity to furosemide.
Excerpt from the FDA-approved prescribing information (openFDA), retrieved 2026-09-15. Whether this medication is appropriate for you is a clinical decision made by your prescribing clinician.
Common questions
Is furosemide covered at $0 with Tab?
Yes. Furosemide is on Tab's covered $0 generic list — every covered strength is $0 with an active membership, at participating pharmacies nationwide or by mail order.
Do I need insurance to get furosemide through Tab?
No. Tab is a membership, not insurance. Covered medications are $0 with an active membership whether or not you have a health plan.
How do I get a furosemide prescription with Tab?
Book a video visit with a licensed Tab clinician (unlimited visits are included with membership). If it's clinically appropriate, they send the prescription to your chosen participating pharmacy or by mail order.
How much does furosemide cost without insurance?
Without insurance, retail cash prices for furosemide vary by pharmacy, strength and quantity. Furosemide is on Tab's covered $0 generic list, so every covered strength is $0 with an active Tab membership at participating pharmacies nationwide or by mail order.
What is the cheapest way to get furosemide?
For medications on Tab's covered list, a Tab membership is the cheapest route: covered strengths of furosemide are $0 with an active membership, and unlimited video visits with a licensed clinician are included, so the visit that produces the prescription is covered too.
What is the usual dose of furosemide?
Edema Therapy should be individualized according to patient response to gain maximal therapeutic response and to determine the minimal dose needed to maintain that response. Adults: The usual initial dose of furosemide tablets is 20 to 80 mg given as a single dose. Ordinarily a prompt diuresis ensues. If needed, the same dose can be administered 6 to 8 hours later or the dose may be increased. (FDA-approved label, retrieved 2026-09-15. Your clinician sets your dose.)
What are the side effects of furosemide?
Adverse reactions are categorized below by organ system and listed by decreasing severity. Gastrointestinal System Reactions 1. hepatic encephalopathy in patients with hepatocellular insufficiency 2. pancreatitis 3. jaundice (intrahepatic cholestatic jaundice) 4. increased liver enzymes 5. anorexia 6. oral and gastric irritation 7. cramping 8. diarrhea 9. constipation 10. nausea 11. (FDA-approved label, retrieved 2026-09-15.)
What interacts with furosemide?
Furosemide may increase the ototoxic potential of aminoglycoside antibiotics, especially in the presence of impaired renal function. Except in life-threatening situations, avoid this combination. Furosemide should not be used concomitantly with ethacrynic acid because of the possibility of ototoxicity. (FDA-approved label, retrieved 2026-09-15. Tell your clinician about every medication and supplement you take.)
Furosemide is $0 on the covered list
Members pay $0 for covered generics at participating pharmacies nationwide or by mail order — plus unlimited virtual primary care, urgent care and dermatology visits. No insurance needed.
Solo $49/mo · Family $119/mo for up to 4 people · Family+ $149/mo for up to 8
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