Delayed cerebral ischemia and vasospasm are critical complications of aSAH, and intra-arterial (IA) verapamil can be employed as pharmacologic spasmolysis in severe or refractory cases. However, the ...

Verapamil was more commonly used to prevent migraine attacks in the past, but it has never been FDA-approved for this purpose. Share on Pinterest Mads Perch/Getty Images Verapamil belongs to a ...