Flunarizine eaten side effects can be discontinued under the guidance of a doctor. Flunarizine is a calcium channel blocker, with the effect of vasodilatation, clinically, it is mainly used for cerebral hypoperfusion, vertebral artery ischemia, cerebral thrombosis after the treatment. The common side effects of Flunarizine are mainly sleepiness and fatigue, and symptoms of depression may occur with prolonged use, and in severe cases, extrapyramidal reactions, involuntary movements, muscle tonus, and so on, may also be manifested. Contraindications are depression, acute cerebral hemorrhage, allergy and so on. When flunarizine has obvious side effects, it is necessary to stop the drug in a timely manner under the guidance of a doctor to avoid exacerbation of the condition and causing new organic damage. Flunarizine should be taken under the guidance of a professional doctor, and should not be used privately.