Betahistine hydrochloride is used for vertigo and balance disorders that cause a feeling of spinning, rocking or instability, according to MedicineNet. It is also used to treat Ménière’s syndrome, according to Drugs.com. As of 2015, this drug is not available in the United States.
Betahistine hydrochloride is a histamine analogue commonly thought to be effective by increasing blood flow to the inner ear to reduce excess pressure in the ear, according to Drugs.com. The pressure in the ear is often the cause of vertigo, tinnitus and hearing loss, especially in Ménière’s syndrome. Betahistine hydrochloride should not be taken by individuals who are pregnant, according to News Medical.