| betahistine | <chemical> 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) |
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| betahistine hydrochloride | 2-[2-(Methylamino)ethyl]pyridine dihydrochloride;an inhibitor of diamine oxidase used as a histamine-like agent for treatment of Meniere's disease. (05 Mar 2000) |