How much does Zyloprim 300 mg cost without insurance?
As of July 2026, the lowest verified cash price for Zyloprim 300 mg (Allopurinol) is $4.00 at H-E-B Pharmacy, based on 40 verified US pharmacy quotes. You don't need insurance to fill it — every price below is a real quote we verified, not an estimate or an insurance copay.
| Pharmacy / source | Type | Verified cash price |
|---|---|---|
| H-E-B Pharmacy | program | $4.00 |
| Costco Pharmacy | pharmacy | $4.50 |
| Amazon Pharmacy RxPass | program | $5.00 |
| Amazon Pharmacy RxPass | program | $5.00 |
| Amazon Pharmacy RxPass | program | $5.00 |
| Amazon Pharmacy RxPass | program | $5.00 |
Last verified Jul 19, 2026. Cash prices only, from verified public retail and mail-order sources — no insurance copays, no estimates, no extrapolation across strengths or quantities. Prices change; confirm at the pharmacy counter. See our methodology.
Common questions
- What is the cheapest way to buy Zyloprim 300 mg without insurance?
- The lowest verified cash price we currently have for Zyloprim 300 mg (Allopurinol) is $4.00 at H-E-B Pharmacy, from 40 verified pharmacy quotes. Prices change; confirm at the pharmacy before you buy.
- Is a generic version of Zyloprim available?
- Yes — Allopurinol is the generic of Zyloprim and is what drives the low cash prices above.