NCS — Guidelines for Seizure Prophylaxis in Patients with Aneurysmal Subarachnoid Hemorrhage: A Statement for Healthcare Professionals from the Neurocritical Care Society

For adults with aneurysmal SAH without prior clinical/electrographic seizures, ASM or no ASM are conditional options. If used, either levetiracetam or phenytoin/fosphenytoin and short or longer prophylaxis are conditional options; evidence does not establish a universal drug/duration.