Flunarizine hydrochloride tablets are used to treat cerebral blood supply deficiency, tinnitus, dizziness and other diseases, if flunarizine hydrochloride in the use of the process of discomfort, or the patient intolerance, can be replaced with betahistine mesylate tablets, triclabendazole tablets, nimodipine and so on under the guidance of the physician. 1. Betahistine mesylate tablets: suitable for the treatment of vertigo, dizziness, cerebrovascular disease, common adverse reactions are nausea, vomiting, allergic to the product is prohibited, with a history of peptic ulcer, bronchial asthma patients should be careful to use, betahistine mesylate tablets may lead to adrenal secretion and increase blood pressure. 2. Troxerutin Tablets: It can inhibit platelet aggregation and reduce capillary permeability, and is used to treat cerebral thrombosis, cerebral infarction, thrombophlebitis, edema and so on. Common adverse reactions are nausea, constipation and so on. It is contraindicated for those who are allergic to this product. Avoid direct sunlight or prolonged standing while taking the drug. Prohibit the use of change of body position, breastfeeding and pregnant women to suspend the use. 3. Nimodipine tablets: mainly used for the treatment of various kinds of cerebral vasospasm and acute cerebrovascular disease, hypertension, etc., common adverse reactions are blood pressure drop, gastrointestinal bleeding, thrombocytopenia, etc., cerebral edema increased intracranial pressure with caution, hepatic and renal insufficiency with caution, stroke patients with caution. Flunarizine hydrochloride alternative medicine, specifically according to the patient’s condition, under the formal guidance of the doctor to replace, not blindly self-medication.