Primary Headache

Primary headache is a type of headache characterized by the absence of underlying structural or metabolic damage. About 90% of headaches are primary headaches. The incidence rate of primary headaches is high, reaching up to 86.9%. Primary headaches can disrupt daily activities and result in the loss of productivity. Additionally, primary headaches also cause financial losses. There are many factors that can trigger primary headaches. Gender, age, stress, fatigue, and lack of sleep are some of the triggers. A literature review on primary headaches is important, and we will discuss various aspects ranging from the pathophysiology to the treatment of primary headaches.