Treatment of subarachnoid hemorrhage is divided into conservative medical treatment and surgical treatment, depending on the amount of bleeding, the bleeding situation and the patient’s vital status. If the bleeding is minimal, medical treatment such as hemostatic drugs and vasospasm relief drugs can be used. There are also treatments to remove free radicals in the brain, brain protection, dehydration, and lowering cranial pressure. If the patient’s condition is severe and the bleeding is significant, surgery may be the surgical option. Find out what causes subarachnoid hemorrhage. Most subarachnoid hemorrhages are caused by aneurysms or vascular malformations. Surgical treatment can be chosen to resolve the aneurysm or malformation and resolve the subarachnoid hemorrhage.