A 37-year-old member asked:
same reaction. anyone have bad side effects with omnicef (cefdinir) and not zithromax?
1 doctor answer
Dr. Martin Raff answered
55 years experience Infectious Disease
Different drugs: Omnicef (cefdinir) is a cephalosporin antibiotic and Azithromycin is in an entirely different class of drugs. There should be no cross reactions allergically. But you do not describe what side-effects to which you are referring. If this answer is not satisfactory, ask again.
Answered on Jun 30, 2014
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