If you think you may have injured your head, see Head Trauma. A mild acute headache often occurs as part of a cold or other viral illness. A high fever often causes a headache.
Many teenagers get a headache in the late afternoon when they are hungry.
The most common cause of recurrent headaches is tension. Tension headaches give a sensation of tightness that completely encircles the head. The neck muscles also become sore and tight. Tension headaches can be caused by prolonged use of video games, computers, or typewriters. Recurrent headaches can have numerous causes and deserve a medical evaluation.