Trihexyphenidyl: Oral tablet is a prescription medication

Trihexyphenidyl oral tablet is a prescription medication used to treat all forms of parkinsonism, including Parkinson’s disease. It’s also used to treat severe movement side effects caused by ... What is trihexyphenidyl? Trihexyphenidyl is used to treat symptoms of Parkinson's disease (stiffness, tremors, spasms, poor muscle control). Trihexyphenidyl is also used to treat and prevent Parkinson-like symptoms that are caused by using certain anti-psychotic medications. Trihexyphenidyl/benzhexol is an anticholinergic medication used for the treatment of tremors, spasms, stiffness, and weak muscle control seen in patients with Parkinson disease. Trihexyphenidyl is a prescription medicine used to treat symptoms of Parkinson's disease and involuntary movements. Learn about its dosage forms, side effects, warnings, interactions, and how to store it safely.