Headache that is experienced in form of tightening band-like sensation around the neck and/or head, and is a constant dull, achy feeling on both sides of the head, is known as tension type of headache.
Tension headache that occurs more than 15 days in month, or daily for longer period is chronic form of tension headache.
It can be accompanied with poor concentration, sleep deprivation, weight loss, dizziness.
This headache is often triggered or made worse by fatigue, stress, depression and anxiety.