However, as frustrating as it may be, identifying the cause of your headache (or headaches if they’re a regular occurrence) is an important step towards either being able to prevent them from ...

Several types of headaches, like migraine and cluster headaches, cause unilateral (one-sided) pain. A right-sided headache is ...

Different headache types can cause pain on the left side of the head. The pain usually isn’t cause for worry. But if the pain is intense or doesn’t go away, there may be a more serious cause.

A rare coin-shaped headache long viewed as a primary headache disorder frequently has underlying causes, according to new research, and clinicians should refer people who present with it for imaging.