A histamine analog and H1 receptor agonist that serves as a vasodilator. It is used in MENIERE DISEASE and in vascular headaches but may exacerbate bronchial asthma and peptic ulcers.

Synonyms: Betahistin AL, Betahistin Stada, Betahistin Ratiopharm, Lectil, Serc, Mesylate, Betahistine, 54856-23-4, Betahistine Dihydrochloride, Dihydrochloride, Betahistine, Betahistine Mesylate, Aequamen, X32KK4201D, Extovyl, PT-9, Vertigon, 49K58SMZ7U, By-Vertin, Hydrochloride, Betahistine, Dihydrobromide, Betahistine, By Vertin, Betahistine Biphar, Betavert, Betahistine Methanesulphonate, Mersilon, Fidium, Vasomotal, Betahistine, 2-Pyridineethanamine, N-methyl-, Methanesulfonate, Betahistine, Betahistin-Ratiopharm, Methanesulphonate, Betahistine, Betahistine Dihydrobromide, 0, Betaserc, PT9, 64335-09-7, Melopat, PT 9, Ribrain, Betahistine Hydrochloride, Betahistine Methanesulfonate