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Forum Name: Pediatric Topics

Question: How long should a fever last when diagnosed with flu?

 sadie1979 - Fri May 08, 2009 8:10 pm

My son is 2 1/2. He developed a fever Saturday night, through Sunday, and we took him to his pediatrician Monday, who said he tested positive for flu. They sent samples to Atlanta to test for swine flu and were supposed to deliver results today, but did not. I am not sure if they forgot or if "no news is good news". My concern is my son STILL has fever. Should I worry? Should I take him to emergency room since his pediatrician is closed? Or is this normal and just something we will have to deal with. Please help, I am very concerned !! It just doesn't seem good to keep a fever that long.
 Debbie Miller, RN - Tue May 19, 2009 7:01 pm

User avatar Hello,
Since flu can last for a week or longer, fever can be present for a while. Treat it with acetaminophen; not aspirin and make sure he gets plenty of fluids to drink as dehydration can also cause fever. If it gets quite high or he shows signs of dehydration, confusion, lethargy, headache, refuses to drink, or does not want to be held and cuddled like most sick children do, he should be seen by a health professional since sometimes there are complications of flu that include bacterial infections and "traveling" in the body such as moving through the blood stream, into the spinal fluid which can cause meningitis, or the lungs, causing pneumonia.

Best wishes.

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