Displaying 1 results of Procyclidine Hydrochloride Impurities Procyclidine Hydrochloride is a medication used to treat Parkinson's disease and side effects of antipsychotic drugs. However, during the manufacturing process, impurities may be introduced. These impurities are unwanted substances that can potentially affect the safety and efficacy of the drug. Therefore, it is important to monitor and control the levels of impurities in procyclidine hydrochloride to ensure the quality of the medication.