Neither: Vantin (cefpodoxime) is a cephalosporin: not a penicillin, but somewhat related. Doxycycline is a type of tetracycline, completely unrelated to both penicillins and macrolides (the class of drugs that Erythromycin belongs to).
Answered 7/2/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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