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Cumming, GA
A 31-year-old female asked:

How long will it take cefdinir to work on a 3 month old's sinus infection?

1 doctor answer2 doctors weighed in
Dr. Lori Semel
Pediatrics 35 years experience
3 mo old: three month old babies do not get sinus infections. There sinuses are not even developed at this age.

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Last updated Jan 5, 2019

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