A Review of the Classification, Etiology, and Clinical Features of Shirshool (Headache)

Abstract

Headache is recognized as probably the most common type of pain experienced by humans, and the majority of people suffer from this symptom, which is often associated with various diseases. Headache is also defined as pain in the head located above the eyes or ears, behind the head, or in the back of the upper neck. This review synthesizes information regarding the definition, classification, and key characteristics of primary headaches, drawing primarily on the criteria established by the "INTERNATIONAL HEADACHE SOCIETY". Specifically, it details the defining features of Tension Type Headache (TTH) and Migraine (Vascular) Headache, including their location, quality, frequency, duration, and underlying causes.