Betahistine hydrochloride is mainly used for the treatment of Meniere’s syndrome and other diseases, but it should be noted that the use of the drug is prohibited in the active stage of gastric ulcer and other conditions. 1. Indications: the drug is mainly used for the treatment of Meniere’s syndrome; cerebral vascular sclerosis, cerebral ischemia, hypertension and other causes of dizziness, tinnitus; postural vertigo and other diseases. 2. Contraindications: It is contraindicated for those who are allergic to the components of the drug. Gastric ulcer in active stage, suspected or yet have gastrointestinal bleeding is prohibited. Pheochromocytoma is prohibited. Bronchial asthma requires careful use under strict supervision. Children, pregnant and lactating women, prohibited. 3. Adverse reactions: the use of this product occasionally dry mouth, stomach upset, palpitations, skin itching, etc., individual cases of occasional nausea, dizziness, head swelling, sweating, etc., generally does not affect the continuation of medication. Betahistine hydrochloride needs to be used under the guidance of clinicians, prohibit unauthorized use of drugs.