Mtz 15mg Tablet is used in the treatment of depression. This medicine works by increasing the level of chemical messengers (serotonin and noradrenaline) in the brain that help calm the brain and relax the nerves, thus treating your depression. Mtz 15mg Tablet may be taken with or without food. It is advised to take this medicine at a fixed time each day to maintain a consistent level in the blood. If you miss any doses, take it as soon as you remember. Do not skip any doses and finish the full course of treatment even if you feel better. It is important that this medication is not stopped suddenly as it may worsen your symptoms. Some common side effects of this medicine include dryness in the mouth, increased appetite, and headaches. 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. This medicine may cause weight gain; therefore, you should have a balanced diet and exercise regularly. Moreover, it is important to inform your doctor if you develop a sore throat or fever after taking this medicine.