<unk>  is used to reduce extrapyramidal side effects of antipsychotic treatment.<unk>  is also a second-line drug for the treatment of Parkinson's disease. It improves tremor, and may alleviate rigidity and bradykinesia.<unk>  is also sometimes used for the treatment of dystonia, a rare disorder that causes abnormal muscle contraction, resulting in twisting postures of limbs, trunk, or face.
Benzatropine
Octatropine methylbromide
Atropine
Tripelennamine
Droperidol
Desomorphine
Apomorphine
Tianeptine