Sibirin is commonly known as Flunarizine Hydrochloride, and dizziness caused by high cholesterol can be treated with this medication. Usually the symptoms of dizziness after the appearance of increased cholesterol may be due to the damaging effect of high cholesterol on the cerebral blood vessels, and the patient suffers from insufficient cerebral blood supply, cerebral thrombosis, vertebral artery ischemia, and cerebral dizziness and other factors. Flunarizine hydrochloride is a calcium channel blocker, which can relieve vascular spasm, dilate blood vessels, improve blood circulation, and effectively relieve dizziness and other discomforts; therefore, the drug can be taken as prescribed by the doctor for treatment of the symptoms mentioned above, and it will not lead to cholesterol elevation after taking the drug. The drug may cause drowsiness, fatigue, dry mouth, weight gain and other adverse reactions; allergic to the components of the drug, acute cerebral hemorrhage is prohibited; in the process of taking the drug, the driver of the vehicle need to be careful to avoid accidents after taking the drug. If you need to use the drug, it is recommended to use the drug under the guidance of a doctor, not blindly self-medication to avoid adverse consequences.