Ruptured brain aneurysms usually cause bleeding into the space around the brain, called a subarachnoid hemorrhage (SAH), which can cause sudden symptoms. If you experience any of the following symptoms of a ruptured aneurysm, CALL 911. It is important to understand that not all of these symptoms may be present; the top few listed below are the most common. 

Do not have a family member/friend take you in a private vehicle to the hospital. This is a high-stress situation that may require first responders to use lifesaving procedures in the emergency vehicle, and where time may be of the essence. 

• Sudden and severe headache, often described as “the worst headache of my life” 
• Nausea/vomiting 
• Stiff neck 
• Blurred or double vision 
• Sensitivity to light 
• Seizure 
• Drooping eyelid 
• A dilated pupil 
• Pain above and behind the eye 
• Loss of consciousness 
• Confusion 
• Weakness and/or numbness