Methysergide is used for prophylaxis of migraine headaches/cluster headaches but is no longer recommended due to retropulmonary/retroperitoneal fibrosis. It may also be used in the treatment of serotonin syndrome. It is also used in carcinoid syndrome to
Avitriptan, also known as BMS-180048, is a selective 5-HT1-like receptor agonist. Avitriptan is an effective compound for the treatment of migraine headaches with a prolonged duration of response. Avitriptan Is a Ligand and Agonist of Human Aryl Hydrocarbon Receptor That Induces CYP1A1 in Hepatic and Intestinal Cells.
Metoprolol is a selective β1 receptor blocker medication. It is used to treat high blood pressure, chest pain due to poor blood flow to the heart, and a number of conditions involving an abnormally fast heart rate. It is also used to prevent further heart problems after myocardial infarction and to prevent headaches in those with migraines.