What is procyclidine?

Procyclidine is no longer available in the United States.

Procyclidine, also known by the brand name Kemadrin, is a prescription medication that treats Parkinson's disease symptoms. Procyclidine is an anti-cholinergic agent. The medication stops muscle spasms by relaxing smooth muscles. This helps relieve the uncontrolled muscle movements, weakness, stiffness, and slowed movement characteristic of Parkinson's disease. It may also be used to treat movement problems and drooling caused by mental illness medications.

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