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GoodRx coupon prices last updated on 04/13/26.
Get Diphenhist for as low as $5.11, which is 46% off the average retail price of $9.42 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 25mg | 30 capsules | $9.42 | $5.75 |
| 25mg | 20 tablets | $4.09 | $4.09 |
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