Middle back pain on your left side that lasts more than a week should be diagnosed by your healthcare provider. Treatments ...

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.

This may occur alongside pain at the left back and side. Taking pain relievers and drinking plenty of water can minimize symptoms and help a kidney stone pass through the body. Certain medications ...