Biperiden Hydrochloride (Biperid) 2mg Tablet 100's is used to treat symptoms of Parkinson’s disease and other movement disorders. It works by blocking certain nerve signals in the brain, helping to reduce tremors, stiffness, and muscle spasms. It may also be used to manage side effects of certain medications, such as antipsychotics. Always follow your healthcare provider's instructions on dosage and usage.