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Get Trihexyphenidyl for as low as $6.53, which is 74% off the average retail price of $25.35 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 2mg | 90 tablets | $6.53 | $6.53 |
| 5mg | 90 tablets | $13.42 | $13.42 |
| 2mg/ 5ml | 300 ml | $95.96 | $19.90 |

GoodRx coupon prices last updated on 04/21/26.
*Prices subject to change without notice. Sales tax may apply and is not included.