Migrex 10mg Tablet is a medicine used for the prevention of migraines 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 headaches Migrex 10mg Tablet may be taken with or without food However it is advised 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 and if you have missed a dose take it as soon as you remember You should continue to take this medicine for as long as the doctor advises and do not stop taking it suddenly Side effects associated with the use of this medicine include muscle pain fatigue constipation Nausea insomnia difficulty sleeping and runny nose Some other side effects that may be seen on taking this medicine are increased appetite depression stomach discomfort and breast pain It may also cause sleepiness at the beginning of your treatment so do not drive operate machinery until you know how this medicine affects you