| 46672-635 | trihexyphenidyl hydrochloride | trihexyphenidyl hydrochloride | Mikart, Inc. | ANDA | Current |
| 46672-635 | trihexyphenidyl hydrochloride | trihexyphenidyl hydrochloride | Mikart, LLC | ANDA | Current |
| 61748-054 | Trihexyphenidyl Hydrochloride | Trihexyphenidyl Hydrochloride | Akorn | ANDA | Current |
| 61748-054 | Trihexyphenidyl Hydrochloride | Trihexyphenidyl Hydrochloride | VersaPharm, Inc. - An Akorn Company | ANDA | Current |
| 61748-054 | Trihexyphenidyl Hydrochloride | Trihexyphenidyl Hydrochloride | Versapharm Incorporated | ANDA | Current |
| 70518-3288 | Trihexyphenidyl Hydrochloride | Trihexyphenidyl Hydrochloride | REMEDYREPACK INC. | ANDA | Current |