Flunarizine capsules are recommended for patients to take orally half an hour before going to bed at night, flunarizine capsules belong to the calcium ion antagonist, have the effect of vasodilatation, and are mainly suitable for patients with ischemic cerebrovascular disease. For example, patients with headache, dizziness, tinnitus, memory loss, especially for vascular neurological headache, flunarizine capsules can play a good role in relieving. However, Flunarizine capsules have certain adverse reactions, the main side effects are seen in the extrapyramidal system. If patients take too long can appear tremor, tremor mainly in the tongue tremor and hands tremor mainly, after stopping the drug can disappear. At the same time, Flunarizine capsules are recommended to patients to eat at night, because patients taking Flunarizine capsules will have the side effects of drowsiness and tiredness. So patients are advised to take it at night to avoid the danger of drowsiness when taking Flunarizine capsules during the day.