Headaches are one of the most common symptoms of life. Everyone experiences headaches at least once in their lives, and most people experience them more than once. Headaches do not always require a visit to the doctor, as most mild headaches can be treated with over-the-counter pain relievers, lifestyle changes, or rest.

Headache is a common symptom caused by many different reasons. Some headaches pass quickly without leaving any danger to the patient, but some headaches are a warning of other dangerous diseases.