Prescription savings
Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Resources
About GoodRx
Health conditions
Medications & treatment
Access & affordability
Well-being
Medication discounts

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.

Popular offers
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 25mg | 30 capsules | $9.42 | $6.91 |
| 25mg | 20 tablets | $4.09 | $4.09 |
200+ medications are free, with hundreds more under $10. Plans start at $9.99/mo. (when paid yearly).
GoodRx coupon prices last updated on 07/24/26.









