Side effects of Betahistine Hydrochloride include dry mouth, stomach upset, palpitations itchy skin, etc. Individuals may experience symptoms such as nausea, dizziness, sweating, etc., but generally these symptoms will not affect the patient’s ability to continue taking the drug. Betahistine hydrochloride is mainly used for the treatment of cerebral atherosclerosis, Meniere’s disease syndrome, vascular headache and acute ischemic cerebrovascular disease, such as cerebral embolism, cerebral thrombosis, transient cerebral blood supply insufficiency, etc., and at the same time, it also has a certain degree of therapeutic effect on the hypertension-induced upright vertigo, tinnitus and other diseases. The contraindications of Betahistine Hydrochloride are not clear, but patients with bronchial asthma, peptic ulcer, pheochromocytoma, and pregnant women should be careful with this product, and children are prohibited. In addition, betahistine hydrochloride should not be combined with histamine drugs. It should be noted that betahistine hydrochloride tablets are prescription drugs, patients need to hold a prescription issued by a physician to buy this product, do not take the drug on their own.