Betahistine Hydrochloride Tablets have the effect of significantly increasing blood flow to the heart, brain and peripheral circulation, improving blood circulation, lowering systemic blood pressure, and having a more pronounced dilating effect on cerebral blood vessels, cardiovascular vessels, especially the vertebral basilar artery system. Side effects include dry mouth, stomach upset, palpitations (rapid heartbeat, often accompanied by panic), itching of the skin, and a very small number of patients may experience nausea, dizziness, head swelling, sweating and so on. Betahistine Hydrochloride Tablets is a weak agonist of H1 receptor and a strong antagonist of H3 receptor, clinically used for the treatment of Meniere’s syndrome, vascular headache, cerebral atherosclerosis, also used for acute ischemic cerebrovascular diseases, such as cerebral thrombosis, cerebral embolism, transient cerebral blood supply insufficiency, and also has a therapeutic effect on the hypertension-induced erectile dysfunction, tinnitus, and so on. Elderly patients need to adjust the dosage according to the condition of discretion; this product is not used in conjunction with histamine drugs; children are contraindicated; peptic ulcer, bronchial asthma, brown cell tumors and pregnant women should be used with caution. The above content is for reference only, patients who need to use betahistine hydrochloride tablets, please under the guidance of a professional doctor reasonable use of medication.