Migranil 1.5 is a medicine used for the prevention of migraine. However, it cannot treat an acute attack and will only work to prevent migraines for as long as you continue to take the medicine. This medicine relaxes the brain, preventing migraine headache. Migranil 1.5 may be taken with or without food, preferably at night. However, it is advisable to take it at the same time each day as this helps to maintain a consistent level of medicine in the body. Do not skip any doses and finish the full course of treatment even if you feel better. If you have missed a dose, take it as soon as you remember it. Side effects associated with the use of this medicine include dryness in mouth, increased appetite, and feeling sick. It may cause sleepiness in the beginning of your treatment, do not drive or operate machinery until you know how this medicine affects you. It may also cause weight gain, eat a healthy balanced diet, avoid snacking with high-calorie food, and exercise regularly to prevent it. It is important to consult your doctor if you develop a skin rash, muscle aches, tremors, or difficulty moving after taking this medicine. You should avoid alcohol consumption while taking this medicine as it may result in increased sedation. If you are taking this medicine for a long-term, regular monitoring of liver function and vision is recommended.