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Fever

 (Elevated Temperature)



Definition   Fever is the most common reason that parents call the pediatrician.  Many parents worry that a fever can cause lasting damage to their child and/or that a high fever must be aggressively controlled in order for their child to become well.  

An elevated temperature should not be considered a “fever” until it reaches 100.4° measured by a rectal thermometer.  Your child may have normal temperature variations during the day caused by excessive clothing or exercise within the past 30 minutes.  

True fever is the body’s normal response to infection.  By itself (fever without any other symptoms), fever is not dangerous and should not go high enough to cause harm (even when it is over 104°F).  In fact, fever is useful in fighting infections.  Most fevers in children are caused by viral illness, fluctuate between 101-104°F, and usually last 2-3 days.  

It's scary when your child is obviously feeling miserable; however, parents can rely too much on the measurement of fever (the child’s temperature) or to the child’s response to medications to determine the severity of illness in their child.  If your child has a high temperature but looks and acts fine, don’t be too concerned about the fever.  However, if your child has only a low-grade fever but looks and acts very sick, he/she is likely more ill than the low fever would indicate.  

Home Care:     The most effective response to fever caused by viral illness is to keep your child comfortable.

  1. Dress your child lightly to allow the warmth from his/her body to escape.  Do not bundle the child. Use only one light blanket for nap time and bed time.
  2. Give cold fluids in unlimited amounts.  Good hydration replaces sweat and improves heat loss through the skin.
  3. If your child’s temperature is over 102°F and he/she is uncomfortable, give acetaminophen (Tylenol®) or if your child is older than 6 months of age, you may use ibuprofen (Motrin®).  The goal of giving medication is to bring the temperature down to a comfortable level.  Usually medication will reduce the temperature by 2-3 degrees.

  4. Caution: *Never give aspirin to a child under age 18 years because of the risk of Reye’s syndrome*.

  5. Don’t alternate ibuprofen and acetaminophen; it’s too easy to get confused and give your child too much medicine.
  6. For higher temperatures (>104°F) that do not respond to acetaminophen or ibuprofen, a sponge bath in lukewarm water (never alcohol) may help your child to feel better and will lower the temperature temporarily.  Sponge for 20-30 minutes.  If your child is shivering, the water is too cold.  Shivering increases body temperature.  Carefully add warm water (be careful with hot water! – scalding risk).
Call our office urgently if your child has an elevated temperature and:
  1. Your child is less than 3 months old and has a temperature higher than 100.4°F rectally.
  2. Your child of any age has a fever of more than 105°F.
  3. Shaking chills are present for more than one hour.
  4. Your child cries when touched or moved, or cries inconsolably (won’t stop crying with usual comforting routines; holding, sshh-ing, rocking, etc.)
  5. Your child shows signs of dehydration (very dry mouth, no urination or wet diapers for more than 12 hours.
  6. Your child won’t move an arm or leg normally.
  7. Your child looks very ill to you.
Call our office during office hours if:
  1. Your child is 3-6 months old and has a temperature higher than 102°F that is not helped by acetaminophen or ibuprofen.
  2. Your child is 3-6 months old with a lower fever who acts sick.
  3. Your child is 3-24 months old and has had an elevated temperature of more than 100.4°F rectally for more than 24 hours but has no other symptoms.
  4. Your child’s fever has lasted more than three days (72 hours).

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