Relgin 1 Tablet is a medicine used to treat Parkinson's disease. It helps to provide better control of body movements and prevents excessive shaking and stiffness. Relgin 1 Tablet can be taken alone or in combination with other medicines. It may be taken with or without food. However, it is advised to take it at the same time each day as this helps to maintain a consistent level of medicine in the body. Take this medicine in the dose and duration as advised by your doctor. If you have missed a dose, take it as soon as you remember it. You should never skip any doses and try to finish the full course of treatment even if you feel better. This medication mustn't be stopped suddenly without talking to your doctor as it can result in confusion, stiff muscles, and a high fever. Some common side effects of this medicine include joint pain, insomnia (difficulty sleeping), dyspepsia (indigestion), influenza or cold-like symptoms, depression, cough, and peripheral edema (swelling in the extremities, especially lower limbs). It even causes dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. You should undergo periodic examinations to detect skin cancer while taking this medicine as it increases the risk of developing cancer. Inform your doctor if you develop any unusual changes in mood, hallucinations, an abnormally high sex drive, an urge to gamble, or uncontrolled spending as these may prove very harmful.