2 reasons: It is possible that your tonsillitis and congestion are due to a virus in which case no antibiotic would cure the problem - your body will have to take care of it. Second possibility is that the bacterial causing your tonsillitis is resistant to zithromax. Call your ENT and see what they suggest - they may want to change your antibiotic or see you again.
Answered 11/23/2014
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3 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
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