[ba″tah-his´tēn] a histamine analogue used as the hydrochloride salt as a vasodilator to reduce the frequency of attacks of vertigo in Meniere's disease, especially in patients having a high frequency of such attacks; administered orally.
betahistine
A drug used to control the symptoms-vertigo and nausea-of MÉNIÈRE'S DISEASE. A brand name is Serc.