Last updated: March 2026
How Much Does Olmesartan Cost?
Cost Breakdown by Type
| Type / Procedure | Without Insurance | With Insurance |
|---|---|---|
| Olmesartan 20mg (generic) | $10 – $25 | $2 – $10 |
| Olmesartan 40mg (generic) | $12 – $40 | $3 – $15 |
| Benicar 40mg (brand) | $250 – $350 | $35 – $90 |
What Affects the Cost
- Brand-name vs. generic availability
- Insurance formulary tier placement
- Pharmacy choice (retail vs. mail-order vs. Costco)
- Manufacturer savings cards and coupons
- Dosage and quantity prescribed
- Geographic location
Insurance Coverage
Typical coverage: Tier 2 generic — potent ARB; generic pricing now widely available
Most insurance plans use a tiered formulary: Tier 1 (generic) $0-$15 copay, Tier 2 (preferred brand) $25-$75, Tier 3 (non-preferred brand) $50-$150, Tier 4 (specialty) $100-$500+. Prior authorization may be required for certain medications. Step therapy may require trying cheaper alternatives first.
How to Save Money
- Always ask for generic when available — saves 50-90%
- Use GoodRx, RxSaver, or similar discount cards
- Costco pharmacy is open to non-members and often has lowest prices
- Mark Cuban's Cost Plus Drugs offers transparent low pricing
- Manufacturer patient assistance programs provide free medication to qualifying patients
- HSA/FSA funds can cover medication costs tax-free
Related Procedures & Costs
Frequently Asked Questions
Generic olmesartan costs $10 to $40 per month without insurance. The brand name Benicar is much more expensive at $250 to $350 per month.
Studies suggest olmesartan may produce slightly greater blood pressure reduction than losartan at standard doses, but clinical outcomes are comparable. Your doctor will choose based on your individual needs.
Common side effects include dizziness, diarrhea, and upper respiratory infection. A rare but serious side effect called sprue-like enteropathy (severe diarrhea and weight loss) has been reported.