Sumitop 100 Tablet is used in the treatment of migraine headaches. Relieves migraine symptoms and prevents the attack from getting worse. This medicine helps to narrow the blood vessels, thus relieving migraines. Sumitop 100 tablets can be taken with or without food. However, it is recommended to take it at the same time each day as this helps to maintain a constant level of medication in the body. Do not miss any doses and finish the entire course of treatment, even if you feel better and if you have missed a dose, take it as soon as you remember. You should continue taking this medicine for as long as your doctor tells you and not stop suddenly. Side effects associated with the use of this drug include dizziness, weakness, drowsiness, peripheral neuropathy (tingling and numbness in the feet and hands), and hot flashes (heat in the face, ears, neck, and trunk). However, these are usually temporary and usually resolve on their own.