Betahistine mesylate tablets mainly have the effect of vasodilatation and improving vertigo, and are mainly used for patients with Meniere’s syndrome, which manifests as vertigo, tinnitus, and hearing loss is available. It can also be used for acute cerebrovascular disease, cerebral atherosclerosis and vascular headache. It can also play a good role in improving dizziness and tinnitus caused by high blood pressure. However, it should be noted that betahistine is a histamine, which can induce pheochromocytoma attacks, so it should not be used by patients who have been diagnosed with pheochromocytoma, nor should it be used by patients with gastric ulcers, and it is prohibited for children. It can be taken with food. Its main side effects are dry mouth, loss of appetite, stomach discomfort, nausea, peptic ulcers, and occasionally blood fever or hemorrhagic cystitis.