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¹ Source: wiktionary.com

Medical Definition of Dihydroergotamine

1. 9,10-dihydro-12'-hydroxy-2'-methyl-5'-(phenylmethyl)ergotaman-3',6',18-trione. A derivative of ergotamine prepared by the catalytic hydrogenation of ergotamine. It is used as a vasoconstrictor, specifically for the therapy of migraine. Pharmacological action: analgesics, non-narcotic, vasoconstrictor agents. Chemical name: Ergotaman-3',6',18-trione, 9,10-dihydro-12'-hydroxy-2'-methyl-5'-(phenylmethyl)-, (5'alpha,10alpha)- (12 Dec 1998)

Lexicographical Neighbors of Dihydroergotamine

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