Complex. We start treatment on our infants who have fever or the mother has an infection/fever. There are supporting tests (complete blood count and c-reactive protein) that may support but not prove infection. The gold standard is the blood culture that takes 48 hrs to come back (+ or -). Regardless of all that the physician must make a clinical decision about how long to treat the infantbased on these &.
My son is 6 years old. He has been having high fever on and off for an entire month. The lab reports were -ve. C reactive protein is high?
FEVER . Many causes. His pediatrician will be able to answer this after a detailed history, thorough exam, evaluating all the labs, x-rays(if needed). CRP is a non-specific marker of infection. Simple prick can give rise to higher crp. If high fever continues for more than 1 week, no cause found on routine tests, it is called "fever of unknown origin"; repeated exam, further tests done to find cause. Read more...