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Key takeaways
Lasix is a prescription medication used to treat edema (water retention) and high blood pressure, but the brand-name product is no longer available in the U.S.
Furosemide is a generic version of Lasix; it contains the same active ingredient and is still widely available.
Generic furosemide is typically covered by insurance plans, and you can contact your specific plan to find out more about coverage and costs.
Known as a loop diuretic, or a type of water pill, Lasix is a prescription medication used to treat edema. Edema, or water retention, is a medical condition common in people with liver disease, kidney problems, or congestive heart failure. If you currently face any of these medical conditions, your healthcare provider might prescribe this medicine to reduce edema. Lasix is also used to treat hypertension, or high blood pressure. Brand-name Lasix is no longer available, but its generic, furosemide, remains widely available and commonly prescribed.
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Lasix generic availability |
|
|---|---|
| Generic name | Furosemide |
| FDA approval date of generic version | 1982 |
| Is there a generic available for sale in the U.S.? | Yes |
Is there a generic for Lasix?
The Lasix generic name, furosemide, has been available in the United States since the early 1980s. There are many different companies selling this generic medication nationwide. Brand-name Lasix is no longer available.
What are the differences between generic and brand-name Lasix?
Generic medications have the same active ingredients as their brand-name counterparts, providing the same therapeutic effect for patients. However, generic drugs are more affordable than name-brand drugs, making them a popular choice for healthcare providers and patients. Although brand-name Lasix is no longer available in the U.S., generic versions of furosemide, which are made by various pharmaceutical manufacturers, are considered equal substitutes because they work the same and have the same clinical benefits. Generic drugs may have different inactive ingredients, such as fillers or dyes, than the brand-name drug, but these do not affect how the drug works.
How much does generic Lasix cost?
Brand-name Lasix is no longer available. However, generic furosemide is affordable, especially when you use a SingleCare discount. A typical retail price for 30, 20 mg tablets of generic furosemide is about $25 without insurance or coupons. But if you use a free SingleCare coupon for furosemide, you can pay as low as $3 for this prescription. What’s more, you can use the discount each month to pay for your refills, too.
Generic Lasix prices |
|
|---|---|
| Cost details | Lasix generic (furosemide) |
| Average cost without insurance | $25 per 30, 20 mg tablets |
| SingleCare’s lowest price | $3 per 30, 20 mg tablets of generic furosemide at Kroger or Harris Teeter |
| Free coupons | Furosemide coupons |
Prescription drug prices often change. These are the most accurate medication prices at the time of publishing in ZIP code 23666 as of March 19, 2026.
Is Lasix covered by insurance?
Although brand-name Lasix is no longer available in the U.S., generic furosemide is generally covered by insurance plans. This includes commercial health plans as well as Medicare and Medicaid prescription plans. As with any medication, coverage and out-of-pocket costs vary by plan. To find out more about your specific insurance plan’s furosemide coverage, you can call your plan directly or check the most recent formulary online.
Generic alternatives to Lasix
Since brand-name Lasix is no longer available, generic furosemide is the primary generic alternative. Furosemide is available in several forms, including oral tablets (in 20 mg, 40 mg, and 80 mg), oral solution (liquid), and injection. If furosemide is not an option for you, you can discuss alternatives with your healthcare provider, such as:
What are the off-label uses for Lasix?
Lasix has been approved by the U.S. Food and Drug Administration (FDA) to treat edema associated with congestive heart failure, cirrhosis of the liver, and renal disease, including nephrotic syndrome. It may also be used to treat hypertension, sometimes in combination with other antihypertensive agents. However, healthcare providers may also prescribe Lasix for off-label (a non-FDA-approved) use.
Dr. Sanaty Zadeh says she has seen Lasix used to manage hypercalcemia (high blood calcium levels) or fluid overload in people with liver or kidney dysfunction. “In these cases, it’s usually part of a broader treatment plan, but it can be a helpful tool for symptom relief,” she says. It may also be prescribed off-label to prevent or treat bronchopulmonary dysplasia (BPD) in preterm infants.
Expert takeaway
“Generic furosemide has always been trusted among healthcare professionals for its safety and efficacy, even when brand-name Lasix was still available on the market,” says Karen Berger, Pharm.D., member of the SingleCare Medical Board.
- Edema, Mayo Clinic (2023)
- Diuretics use in the management of bronchopulmonary dysplasia in preterm infants: A systematic review, Acta Paediatrica (2024)
- Furosemide, DailyMed (2022)
- Lasix, PDR
- Furosemide, MedlinePlus (2025)
- Furosemide tablets, Cleveland Clinic