Tension headache
COMMON TYPE OF HEADACHE CLASSIFIED BY THE INTERNATIONAL CLASSIFICATION OF HEADACHE DISORDERS 3RD EDITION
Tension headaches; Tension type headache; Tension-type headache; Tension Headache; Stress headache; Muscle contraction headaches; Chronic tension headache; Muscle-tension headache; Muscle contraction headache
Tension headache, also known as stress headache, or tension-type headache (TTH), is the most common type of primary headache. The pain can radiate from the lower back of the head, the neck, eyes or other muscle groups in the body typically affecting both sides of the head.