How to Save Money on Lasix in 2026: Coupons, Discounts, and Patient Assistance

Lasix (furosemide) is one of the most affordable prescription medications available — but many patients still pay more than they need to. Whether you are uninsured, underinsured, or just looking to reduce your out-of-pocket costs, this guide walks you through every option available in 2026 to save money on furosemide.

What Does Lasix Actually Cost in 2026?

Furosemide is available as an inexpensive generic, which dramatically reduces the cost compared to brand-name Lasix. Here are typical prices you might encounter:

Average retail price: $10–$43 for a 30-day supply of generic furosemide (varies by strength and pharmacy)

With GoodRx coupon: As low as $1.80–$5.15 for a 30-day supply at most common strengths

With SingleCare coupon: As low as $2.80 for a 30-day supply

Mail-order (Marley Drug): 12-month supply for approximately $70 ($5.83/month); 6-month supply for $37

Brand-name Lasix (retail, no discount): $40–$100+ per month — significantly higher than generic

Option 1: GoodRx — The Easiest Way to Save

GoodRx is a free-to-use discount program that negotiates lower prices at participating pharmacies. You do not need insurance to use it — just pull up the GoodRx coupon on your phone or print it and hand it to the pharmacist. As of 2026, GoodRx lists generic furosemide for as low as $1.80, representing an 83% discount off the average retail price of $10.46. GoodRx coupons work at over 70,000 pharmacies nationwide, including CVS, Walgreens, Kroger, Walmart, and most independent pharmacies.

Important: You cannot use a GoodRx coupon at the same time as insurance. In most cases for furosemide, the GoodRx price will actually be lower than your insurance copay — especially if your plan puts furosemide on a higher tier.

Option 2: SingleCare Coupons

SingleCare is another free prescription discount service. The average retail price of furosemide is around $25.12 for 30 tablets (20 mg), but SingleCare can bring that down to as low as $2.80. Like GoodRx, it is available without insurance and works at most major pharmacy chains. Compare prices between GoodRx and SingleCare at your local pharmacy to find the best deal.

Option 3: Insurance Coverage — What to Expect

Generic furosemide is covered by most commercial insurance plans and Medicare Part D. Coverage details:

Tier placement: Tier 1 (lowest cost) on most formularies as a commonly used generic

Typical copay: $0–$15 for generic furosemide with most insurance plans

Medicare Part D: Covered by most Part D plans. As of 2026, Part D has a $2,100 annual out-of-pocket cap for covered drugs. For furosemide, most patients will pay a minimal Tier 1 copay well below this cap.

Prior authorization: Not typically required for generic furosemide, which is widely covered as a first-line diuretic

Option 4: Mail-Order Pharmacies for Long-Term Supply

If you take furosemide regularly for a chronic condition — which most patients do — mail-order pharmacy is one of the best ways to save time and money simultaneously. Many insurance plans offer mail-order options with 90-day supplies at a lower copay than retail 30-day fills. Marley Drug, for example, provides a 12-month supply of furosemide for approximately $70 (about $5.83/month) with free shipping.

Option 5: Patient Assistance Programs (PAPs)

For uninsured or low-income patients, patient assistance programs may provide medication at no charge or deeply reduced cost:

PAN Foundation: GoodRx lists the PAN Foundation as offering a patient assistance program for uninsured patients. Contact PAN Foundation directly to check eligibility.

NeedyMeds.org: A free resource that aggregates manufacturer and non-profit patient assistance programs for hundreds of medications.

RxAssist.org: Another database of pharmaceutical company patient assistance programs.

Option 6: Ask About the $4 Generic Program

Many major pharmacy chains offer $4 generic drug programs (Walmart, Kroger, Publix, and others). Furosemide may be on these lists in your area. Ask your pharmacist if furosemide is included in their generic discount program — it takes one question and could save you money without any coupons or enrollment.

Still Having Trouble Finding or Affording Lasix?

If cost or availability is still a concern, medfinder can help you locate which pharmacies near you have your specific Lasix formulation in stock, so you can then compare prices and choose the best option. Check out our guide on how to find Lasix near you for more tips.