A fever is the body's reaction to an infection and some other illnesses. Many viruses and most enzymes are temperature-sensitive, and can be destroyed or impaired at a temperature higher than the normal level of 37C/98.6F. So a raised temperature is a means of recovery, particularly from a viral infection such as 'flu.
A raised temperature can also be caused by heatstroke, sunstroke, reactions to drugs and some other diseases.
Normally a person with a fever should stay at home to rest, and will recover in 1-2 days. It just requires rest, and drinking plenty of water. Avoid exercise, stay comfortably warm (not too cold or hot). Eat liquid foods like home-made chicken soup. Avoid heavy, fatty foods, fast foods, processed foods.
Seek medical attention if:
- The fever has not subsided within 2 days.
- Temperature is above 38.9C/102F.
- Other symptoms appear - marks on the skin, severe headache, stiff neck, difficulty breathing, being drowsy or confused etc.
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