Betahistine mesylate is usually taken orally for 0.5~1 month, and the effect on liver and kidney function is relatively small, but it should be noted whether the patient has peptic ulcer, bronchial asthma and other diseases. Betahistine mesylate is used for the treatment of vertigo, for Meniere’s syndrome, vestibular neuronitis and other peripheral vertigo, can consider oral betahistine mesylate. Betahistine mesylate tablets are usually taken orally, two tablets at a time, three times a day, and patients are advised to discontinue taking them once the vertigo subsides or subsides. The main side effects of betahistine mesylate are gastrointestinal reactions, which can lead to nausea and vomiting, and sometimes rash hypersensitivity. Betahistine Mesylate is contraindicated or used with caution if the patient suffers from gastrointestinal ulcers or asthma. Betahistine mesylate is a histamine receptor agonist that can cause respiratory depression in asthma patients, so it should be used with caution in asthma patients. It is recommended that patients should not judge or diagnose on their own, but should consult a doctor in time, who will analyze the situation and make a clear diagnosis.