Methysergide maleate

Description: 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. Target: Others. Smiles: C(=C\C(O)=O)\C(O)=O.CN1C2=C3C(C=4[C@@](CC3=C1)(N(C)C[C@H](C(N[C@@H](CC)CO)=O)C4)[H])=CC=C2. References: Valic M, Pecotic R, Pavlinac Dodig I, Valic Z, Stipica I, Dogas Z. Intermittent hypercapnia-induced phrenic long-term depression is revealed after serotonin receptor blockade with methysergide in anaesthetized rats. Exp Physiol. 2016 Feb 1,101(2):319-31. doi: 10.1113/EP085161. Epub 2015 Dec 20. PubMed PMID: 26621042.