The main effects of Nimotop 1, prevention and treatment of aneurysm or subarachnoid hemorrhage caused by cerebral vasospasm, ischemic neurological damage, can also improve the elderly brain dysfunction, 2, if there is the presence of memory loss or attention deficit, mood swings, orientation problems. But adverse reactions may mainly lead to thrombocytopenia or allergic reactions rash, may also lead to tachycardia, bradycardia leading to hypotension or vasodilatation. 3, if there are the above clinical symptoms during the use of the premise need to go to the hospital for timely consultation, need to adjust the medication under the guidance of a physician to avoid causing other risks, during the use of medication is recommended to need, regular monitoring of blood pressure and observation Cerebrovascular clinical symptoms, mainly to determine the sensitivity and role of drugs.