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Get Diphenhydramine for as low as $4.66, which is 34% off the average retail price of $7.09 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 25mg | 30 capsules | $7.09 | $5.05 |
| 50mg | 1 capsule | $9.63 | $4.52 |
| 118ml of 50mg/ 20ml | 1 bottle | N/A | $12.50 |
| 25mg | 30 chewable tablets | $33.30 | $13.24 |
| 25mg | 30 tablets | $9.49 | $2.00 |
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GoodRx coupon prices last updated on 04/13/26.
