Losartan
Sold as Cozaar
Losartan lowers blood pressure and protects the kidneys in people with type 2 diabetes.
As of August 2026, Losartan (50 mg) cash prices on BetterBuyRx start at $4.50 across 9 verified sources (lowest at Costco Pharmacy). The free BetterBuyRx discount card is compared live on the drug page when a partner network prices this combo. Prices change; confirm at the counter.
What it treats
Hypertension, diabetic nephropathy, stroke risk reduction in patients with hypertension and left ventricular hypertrophy.
Typical dosing
Typical adult dose: 50-100 mg once daily.
Side effects
Common: dizziness, fatigue, upper respiratory infection. Rare: high potassium, kidney problems.
Interactions to know
Avoid potassium supplements unless instructed. NSAIDs reduce effect.
Pregnancy & breastfeeding
Do not use during pregnancy.
Live price snapshot
| Source | Type | Cash price |
|---|---|---|
| Costco Pharmacy | pharmacy | $4.50 |
| Amazon Pharmacy RxPass | program | $5.00 |
| Mark Cuban Cost Plus | pharmacy | $5.52 |
| Blink Health | pharmacy | $7.70 |
| Honeybee Health | pharmacy | $7.80 |
| Walmart $4/$10 generic list | program | $9.00 |
Save with the free BetterBuyRx card
The BetterBuyRx discount card is free, no signup, no insurance needed. When a partner network prices Losartan, the card price appears live on the drug page with its BIN, PCN, Group, and Member ID. Show the card at the pharmacy counter; it can't be combined with insurance.
Frequently asked questions
- How much does Losartan cost without insurance?
- As of the latest check, the lowest verified cash price we've found for Losartan is $4.50 at Costco Pharmacy, across 9 verified sources. Cash prices are unregulated and vary by pharmacy, so compare before you fill and confirm the price at the counter.
- Is there a generic for Losartan?
- Yes. Losartan is the generic; it is also sold under brand names such as Cozaar. The generic is typically far cheaper than brand and is what our verified cash prices reflect.
- Can I use the free BetterBuyRx discount card for Losartan?
- Yes. The free BetterBuyRx discount card is compared live on the drug page and, when a partner network prices Losartan, shows the card price with its BIN, PCN, Group, and Member ID. It can't be combined with insurance.
- Why does the price of Losartan vary so much between pharmacies?
- U.S. cash prescription prices are unregulated, each pharmacy sets its own markup, and discount programs and mail-order sources widen the spread further (this is common across the Angiotensin II receptor blocker (ARB) class). That's why comparing verified prices before you fill can save money.
Related drugs in this class
Clinical content reviewed by the BetterBuyRx clinical team.
Educational only. Not medical advice. Always confirm with your prescriber or pharmacist.