Trihexyphenidyl Hydrochloride USPAntiparkinsonism Preparation (CNS Preparations) Indication: Trihexyphenidyl Hydrochloride is indicated as an adjunct in the treatment of all formsof Parkinsonism (post encephalitic, arteriosclerotic and idiopathic). It is often usefulas adjuvant therapy when treating these forms of Parkinsonism with Levodopa.Additionally, it is indicated for the control of extrapyramidal disorders caused bysome drugs such as Dibenzoxazepines, […]