Tension and Chronic Headaches
Tension headache is the commonest type of headache, affecting 85 per cent of us at some time. It is caused by contraction, or tension, of the muscles of the scalp which run from the back of the neck up and over the skull. It usually consists of the sensation of pressure or tightness on the top of the skull. It may be severe and frightening. It may be brought on by anxiety or emotional stress.
Sometimes the headaches become chronic, occurring (unlike migraine) every day, and tend to get worse as the day goes on. It may be associated with underlying depression. While pain relievers may help in the short term, persistent use, particularly of products containing codeine, can make it worse.
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