Tension headache

In medicine, tension headache, also called tension-type headache, stress headache or idiopathic headache, is a "common primary headache disorder, characterized by a dull, non-pulsatile, diffuse, band-like (or vice-like) pain of mild to moderate intensity in the head; scalp; or neck. the subtypes are classified by frequency and severity of symptoms. there is no clear cause even though it has been associated with muscle contraction and stress.

Prevention
It is not clear whether any medications taken daily can prevent tension headaches.