A member asked:

Is keflex 500 mg 3 times a day for 7 days going to get rid of my sinusitis?

A doctor has provided 1 answer
Dr. Tony Ho answered

Specializes in Internal Medicine

Depends: Unless you've had your sinusitis for a long time or otherwise have reason to suspect that it is bacterial in origin, the vast majority of sinusitis is viral in nature, and antibiotics will do nothing but breed resistance.

Answered 11/4/2016

5.2k views

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