Betahistine mesylate, also known as anti-dizzy, is a histamine H1 receptor agonist, which has the effect of dilating blood vessels, can promote blood circulation in the brainstem and labyrinth, correct vasospasm in the inner ear, and reduce hydropsis in the membranous labyrinth. It also has antiplatelet aggregation and antithrombotic effects.

It is mainly used to treat the following diseases:

1. Inner ear vertigo, which can reduce symptoms such as vertigo, tinnitus, nausea and headache.

2. Headache caused by a variety of reasons.

3. Acute and chronic ischemic cerebrovascular diseases, such as cerebral infarction, cerebral arteriosclerosis, etc.

4. Cervicogenic vertigo and postural vertigo caused by hypertension.