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If someone has had an allergic reaction to cephlexin are they likely to have one towards augmentin?

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kaismama 14 Jan 2014

They aren't in the same class. I know that if you're allergic to penicillin you have a slight chance of being allergic to cephalosporins(the class cephelexin is in) but I don't know if it goes the other way. Augmentin is a penicillin. I would just be sure to have benadryl on hand when I took the first dose.

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