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Know when to seek medical attention

Health tips: When a fever becomes an emergency
Child with a fever
Dear Reader,

Even when you’re well, your body temperature varies, and that variation is normal. Doctors usually consider 98.6 F a healthy body temperature. But your normal temperature may differ by a degree or more. In the morning, your temperature is generally lower, and in the afternoon it’s somewhat higher.

Often, a fever isn’t anything to worry about, but sometimes a fever should be evaluated, especially if it’s accompanied by other severe symptoms.

Contact a doctor in any of the following situations:
  • A child or adult with a temperature of more than 103 F
  • A child or adult with a temperature of more than 101 F for more than three days
  • An infant younger than 3 months with a rectal temperature of 100.4 F or higher
  • An infant older than 3 months with a temperature of 102 F or higher

Seek emergency medical care if any of these signs or symptoms accompany a fever:
  • Severe headache
  • Severe swelling of the throat
  • Unusual skin rash
  • Unusual eye sensitivity to bright light
  • A stiff neck and significant neck pain when you bend your head forward
  • Confusion or severe drowsiness
  • Persistent vomiting or abdominal pain
  • Difficulty breathing or chest pain
  • Extreme listlessness, irritability or poor eye contact
  • A seizure
  • A bulging soft spot on a baby's head
Sometimes, a high fever can cause a seizure in an infant or a child. This is known as a febrile seizure. If this occurs, lay your child on his or her side, gently supporting the child's head, until the seizure ends. Cool your child gradually, using a damp sponge or cool compress and lukewarm water. Don't immerse your child in a cold bath. Seek urgent medical attention. Most febrile seizures aren't dangerous, but fever accompanied by a seizure also could be a sign of a serious illness.

Fever itself isn't an illness, but it’s often a sign of one. A fever tells you that something is happening inside your body. Most likely your body is fighting an infection caused by either a virus or a bacterium.

Yours in good health,


Dan Harke
Mayo Clinic Press
 
Mayo Clinic Family Health Book
 
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