Tension headaches are very common and most people will have experienced on at some time or another. They are often caused by tiredness, tension and stress, but if you get them frequently, it may be more difficult to identify factors that cause this type of headache.
Dull, aching pain on both sides of the head.
Feeling of tightness around the head.
They may last from 30 minutes to days.
They may be worse later in the day.
Usually, they do not stop you from performing your normal daily activities.