I'm allergic to penicillin, what antiobiotics can I take that are not penicillin related?
23 Oct 2012
All of the ones you mentioned are ok if you are allergic to penicillin. If you are allergic to penicillin you have a small percentage of a chance of reacting to cephalosporins like keflex and ceclo, but these are not related to them either. If you make sure you have informed the pharmacy you use that you are allergic to penicillin, they should catch it if it becomes a problem with antibiotics prescribed for you. When someone prescribed an antibiotic for you, ask them if its related to penicillin in any way.
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