Flunarizine hydrochloride headache can usually be taken. Flunarizine hydrochloride belongs to the calcium channel blocker, has the effect of vasodilatation, and has a significant inhibitory effect on persistent vasospasm caused by vasoconstriction. It can be mainly used to treat cell damage caused by ischemia, such as cerebral hypoperfusion, tinnitus, and epilepsy, etc. It can also be used for the prevention of migraine, and if the headache attack can usually take flunarizine hydrochloride to relieve the pain. However, there are many causes of headache, if repeated headache should go to the hospital to find out the cause, and take treatment for the cause. In addition, Flunarizine hydrochloride allergy, a history of depression, Parkinson’s disease, acute cerebral hemorrhage disease, as well as pregnancy and breastfeeding women are prohibited to take. The drug may cause adverse reactions such as drowsiness and irritation of the intestinal tract. Patients are advised to take Flunarizine Hydrochloride medication properly under the supervision of a doctor.