Betahistine is most commonly used to treat the symptoms of Ménière's disease and vertigo. Vasodilator.Form:White SolidMelting Point:152-155°CPurity: ~90%Solubility:WaterStorage and Stability:May be stored at 4°C. For long-term storage, store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.