Its chemical structure and pharmacological properties are similar to histamine, and it belongs to histamine drugs. So, can betahistine mesylate tablets be bought in pharmacies? Can I buy a drugstore online? Betadine mesylate tablets are mainly used for vertigo, Meniere's syndrome and related vertigo symptoms caused by labyrinth microcirculation disorder, especially vertigo syndrome caused by cervical arthropathy, arteriosclerosis, trauma, postoperative, mental factors and primary diseases. Vertebral-basilar artery insufficiency and other diseases, the effect is remarkable, and patients in need can choose it with confidence. The usage and dosage of betahistine mesylate tablets are adult 1-2 tablets (6- 12mg betahistine mesylate once), which can be taken orally after meals, three times a day, and can be increased or decreased according to age and symptoms. Patients with a history of digestive tract ulcer or active digestive tract ulcer with betahistine mesylate tablets. Patients with bronchial asthma. Patients with adrenal medullary tumors.