Prescription
Anticholinergic / Antiparkinsonian agent
Trihexyphenidyl Hydrochloride
Last reviewed April 2026
Who is this for?
What is this drug?
Trihexyphenidyl (commonly called Benzhexol) is a drug that works by blocking a chemical called acetylcholine in the brain, which helps reduce muscle stiffness, trembling, and involuntary movements caused by certain conditions or medications.
What is it used for?
Parkinson's disease (shaking palsy)muscle stiffness and tremors caused by psychiatric medicationsuncontrollable body movements from drug side effects
Prescription Required
A doctor's prescription is required to obtain this drug legally.
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