A female asked:
Disclaimer

i never took keflex before. i took amoxicilin before, i'm not allergic to it. is there anyway i can try to see if im allegric before i take full dose?

1 doctor answer
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
No: Most people do not become allergic to antibiotics yet it can develop at any time. Thus there is no way to tell ahead of time whether you may be allergic to an antibiotic or not.
Answered on Nov 28, 2017

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A 27-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
Most people can: Studies have found a low incidence of cephalosporin (of which Keflex is one) allergy among penicillin allergic people. The rash from amoxicillin is a ... Read More
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No : Amoxicillin is within penicillin class and the risk of having a reaction is significant so it should be avoided. There is controversy about the risk ... Read More
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