Conditions list medically reviewed by George Krucik, MD, MBA
A tension headache is the most common type of headache. It can cause mild, moderate, or intense pain in your head, neck, and behind your eyes.
Subarachnoid hemorrhage (SAH) refers to bleeding within the subarachnoid space, which is the area between your brain and the tissues that cover it.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.