Different headache types can cause pain on the left side of the head ... You may feel pressure on one or both sides and the back of your head. Dehydration may also trigger migraine.

often on one side of the head or behind the eye. Sharp head pain might also be the result of certain neurological disorders, which can cause pain along the back of your head, neck, or ears.

Several underlying conditions, such as migraine, cluster headaches, and infections, can cause pain on one side of your head.

Lower left abdominal pain can have many causes, ranging from minor to serious, says Andrew Boxer, M.D., gastroenterologist of ...

Armpit pain can be caused by many issues, from muscle strains to swollen lymph nodes. Here are possible causes of underarm ...