subarachnoid hemorrhage following spinal anesthesia: two case reports

Spinal anesthesia has been performed on patients who undergo cesarean section, for years. a variety of complications are reported which are followed by spinal anesthesia; but subarachnoid hemorrhage is not one of them. in this study, we present two cases of subarachnoid hemorrhage resulting from spinal anesthesia. in both cases, patients suffered from a thunderclap sudden-onset headache after undergoing cesarean section. imaging and laboratory investigations were performed in order to determine the reason contributing to the headache, which revealed subarachnoid hemorrhage. after investigation and excluding other underlying causes, normal imaging studies suggested that the occurrence of subarachnoid hemorrhage as a possible complication of spinal anesthesia should be considered.