Check with your family doctor if you have using sumatriptan for three headaches and have not had good relief. Always check with your family doctor if your migraine headaches are worse, or if they are occurring more often, than before you started using sumatriptan.
Drinking alcoholic beverages can make headaches worse or cause new headaches to occur. People who suffer from severe headaches must probably avoid alcoholic beverages, especially during a headache.
Some people feel drowsy or dizzy during or after a migraine, or after taking sumatriptan to relieve a migraine. As long as you are feeling drowsy or dizzy, do not drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert .