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Get Diphenhydramine for as low as $2.00, which is 79% off the average retail price of $9.43 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 25mg | 30 tablets | $9.43 | $2.00 |
| 25mg | 30 capsules | $7.10 | $5.05 |
| 50mg | 1 capsule | $9.64 | $4.52 |
GoodRx coupon prices last updated on 05/03/26.