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A member asked:
Er doctor prescribed me keflex for possible mastitis and uti knowing i'm allergic to penicillin. i am on day 3 and have an itchy rash on arms and legs?
A doctor has provided 1 answer
Possibly allergic: Cephalexin (Keflex) and related antibiotics (the cephalosporin group) are chemically similar to penicillinl. Although penicillin allergic persons usually can take them without problem, occasional cross reactions occur -- i.e. you may be allergic to the cephalexin. Check with the doctor who prescribed it.
Answered 5/30/2017
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