Nimodipine extended-release tablets should be taken orally, the instructions recommended dosage of 60 to 120 mg / times, 2 times / day, the specific dosage should follow the doctor’s advice. Nimodipine extended-release tablets are a kind of calcium antagonist, which can inhibit calcium ions from entering the cell, thus relaxing the vascular smooth muscle and relieving vasospasm. The drug has a stronger effect on cerebral arteries, so it is mostly used for the treatment of ischemic cerebrovascular disease, cerebral vasospasm due to mild subarachnoid hemorrhage, migraine, and can also be used to treat mild to moderate hypertension and sudden deafness. It should be noted that the use of Nimodipine Extended-Release Tablets is prohibited in people with severe hepatic impairment and those who are allergic to any of the components of the drug, the drug should not be taken at the same time with anti-epileptic drugs, and breastfeeding women should not use this drug. Some patients may experience adverse reactions such as skin flushing, dizziness, headache and rapid heart rate after using Nimodipine Extended-Release Tablets, and should consult a doctor promptly if the symptoms are serious. Patients should strictly follow the doctor’s instructions to take Nimodipine extended-release tablets, not blindly use their own medication, so as not to induce serious adverse reactions.