Chemical Structure/Formula:
C21H27N3O2
Mechanism of Action:
Methysergide is a serotonin antagonist and an ergot derivative. It inhibits the action of serotonin on vascular and uterine smooth muscle.
Uses:
It is used for the prevention of migraine headaches and cluster headaches.
Side Effects:
Side effects include nausea, vomiting, abdominal pain, and dizziness. Long-term use can lead to serious complications like fibrosis, affecting the heart, lungs, and retroperitoneal area.