This medicine is a cerebral vasoconstrictor used to relieve migraine headache attacks as they occur. It will not prevent or reduce the number of attacks you experience.

SIDE EFFECTS that may occur while taking this medication includes burning, discharge, pain and/or soreness in the nose, change in sense of taste, discomfort in jaw, mouth, tongue, throat, nose or sinuses, dizziness, drowsiness, feeling of cold, flushing, lightheadedness, muscle aches, cramps or stiffness and nausea or vomiting.