Do you have any of the following symptoms that require emergency treatment? Call 911 or other emergency services immediately.

• Breathing stops for longer than 30 seconds. After calling , begin rescue breathing. Go to Rescue Breathing in the topic Dealing With Emergencies.
• Unconsciousness that lasts for longer than 1 minute
• Sudden, severe pain and is the worst headache you have ever had
• Sudden onset of headache, nausea, and vomiting with an inability to walk or stand
• Ongoing confusion or a change in level of consciousness or behavior
• Sudden, persistent loss of movement or muscle weakness in one part or all of one side of the body
• Sudden loss of vision in one or both eyes
• Sudden, persistent difficulty speaking or understanding speech
• Seizures. Protect the victim from harm during the seizure.