Megatil 100mg Tablet is a medicine used to treat various disorders such as schizophrenia and other psychoses like paranoia (delusions and feeling extremely worried or nervous), mania (overactive behavior), anxiety, agitation, and dangerously impulsive behavior. Megatil 100mg Tablet is also used for controlling intractable hiccups, feeling or being sick (nausea), and autism (learning and communication difficulties). This medicine belongs to a group of drugs known as phenothiazines, which act on the central nervous system. It alters the thoughts and elevates the mood, improving the person’s ability to think, feel and behave. Megatil 100mg Tablet may be taken with or without food, preferably at the same time each day. 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 and if you have missed a dose, take it as soon as you remember it. 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 your doctor as it may worsen your symptoms. Some common side effects of this medicine include dry mouth, abnormality of voluntary movements, urinary retention, constipation, and muscle rigidity. Initially, this medicine may cause a sudden drop in blood pressure when you change positions, rise slowly if you have been sitting or lying down. It may also cause dizziness and sleepiness, do not drive or do anything that requires mental focus until you know how this medicine affects you. This medicine can lead to weight gain, have a healthy balanced diet, and exercise regularly. Before taking this medicine, inform your doctor if you have any liver disease, thyroid or kidney disease, epilepsy, Parkinson’s disease, or any heart disease. If you are diabetic, it is important to monitor your blood glucose regularly while taking this medicine.