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A 27-year-old female asked:

Does a sinus infection in an infant cause a high fever and elevated wbc?

2 doctor answers2 doctors weighed in
Dr. Johanna Fricke
Pediatrics - Developmental and Behavioral 51 years experience
The sinuses, or air : Spaces, are not well-developed enough in an infant for a diagnosis of sinusitis. If there is no middle ear infection, pneumonia or meningitis to define the organs involved in a viral or bacterial infection, the doctor will look for a urinary tract infection or sepsis (more generalized infection) if the baby is acting ill or < 3 mos. Old, he may be hospitalized to insure his safety.
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Dr. James Ferguson
Pediatrics 47 years experience
Define infant: The sinus cavities don't start to form clinically until 4-6m and are difficult to assess reliably before a year of age, if then. Sinus xrays at a year are often filled with fluid with a cold & that study does not reliably confirm a dx. After a year of age the DX is a bit more realistic. Tonsillitis & nasopharyngitis are common early sinusitis like illnesses & can boost a fever &wbc.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jun 10, 2014

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