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 treat severe diarrhea.

129-49-7

C25H31N3O6

469.54

Methysergide;UML 491;Deseril, Sansert;UML-491;UML491;Methysergide maleate

H2O:Insoluble
DMSO:Soluble
Powder: -20°C for 3 years
In solvent: -80°C for 2 years