Summary
Headache is the symptom of pain involving any area of the head or neck. It may involve one or both sides of the head, be pinpointed to a particular area or spread from a single point, Most of the headaches appear as sharp or dull, lasting for minutes or even days. The evaluation of a headache can be straightforward or challenging. Although most of the times headaches are harmless, they can sometimes be a manifestation of a severe underlying illness. Headaches can be of primary or secondary. Primary headaches do not have a known cause; whereas headaches are associated with underlying pathologies or conditions, which cause traction or inflammation of the underlying structures. Different types of headaches usually present with a specific set of symptoms, occur uniquely, and therefore require tailor-made treatments.