Medical Definition of Betahistine
1.
N-methyl-2-pyridineethanamine. A physiological histamine analog vasodilator agent that also acts as a histamine h1 receptor agonist. It is used in meniere's disease and in vascular headaches but may exacerbate bronchial asthma and peptic ulcers.
Pharmacological action: histamine agonist, vasodilator agents.
Chemical name: 2-Pyridineethanamine, N-methyl-
(12 Dec 1998)
Lexicographical Neighbors of Betahistine
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