Betahistine mesilate is a commonly used drug in clinic. It is a vasodilator. Clinical application:
1. Meniere's disease (an inner ear disease with membranous labyrinth hydrops. The main clinical manifestations of this disease are sudden vertigo, tinnitus, deafness or nystagmus, and vertigo has obvious attack period and intermittent period).
2. Cerebral arteriosclerosis.
3. Acute ischemic cerebrovascular disease.
4. Vascular headache.