Lidrin 2.5 Tablet is a prescription medicine used in the treatment of Parkinson's disease and drug-induced abnormal movements. It helps by improving muscle control and reducing the stiffness of the muscles so that they can move easily. Lidrin 2.5 Tablet should be taken with food as it reduces the side effects with this medicine. It should be taken at the same time each day, 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 and if you have missed a dose, take it as soon as you remember. Do not skip any doses and finish the full course of treatment even if you feel better. This medication mustn't be stopped suddenly without talking to the doctor as it may result in a worsening of symptoms. Some common side effects of this medicine include dilation of the pupil, blurring of vision, lightheadedness, nausea, vomiting, epigastric pain, and constipation. It also causes dizziness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Dry mouth may occur commonly while using this medicine so, try to do frequent mouth rinses, maintain good oral hygiene, and increase water intake. Avoid wearing contact lenses as it may cause dry eyes as well. It is important to inform your doctor if you suffer from glaucoma or have trouble passing urine. Before using Lidrin 2.5 Tablet, you should tell your doctor if you've ever had heart problems, problems with passing urine, liver or kidney disease. It may also affect, or be affected by, some other drugs you are using so let your doctor know what these are to be safe. Pregnant or breastfeeding mothers should consult their doctor before starting treatment with this medicine.