Procy 2.5 Tablet 10's is used to treat Parkinson's disease. It contains Procyclidine which relaxes the muscles and nerve impulses that control muscle functioning. In some cases, this medicine may cause side effects such as nausea, vomiting, dizziness, constipation, weakness, headache, dry mouth, decreased urination, and drowsiness. Before taking this medicine, inform the doctor if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions.