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A member asked:
Is keflex good for sinus infection and upper respiratory infection?
A doctor has provided 1 answer
Only: If it is a bacterial infection. Most upper respiratory infections however, are viral and many people mistake a viral rhinnitis for sinusitis and take unnecessary antibiotics. Sounds like you may be considering taking left over keflex. Would recommend against that. Rather consult your doctor.
Answered 3/22/2020
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