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Medical Definition of Metergoline
1. An ergot derivative with a pharmacological profile similar to methysergide; a nonselective blocker of serotonin receptors. Used as an analgesic in migraine headache. Synonym: methergoline. (05 Mar 2000)
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1. An ergot derivative with a pharmacological profile similar to methysergide; a nonselective blocker of serotonin receptors. Used as an analgesic in migraine headache. Synonym: methergoline. (05 Mar 2000)