1 doctor weighed in:

My doc gave me keflex to take prior to an upcoming procedure but im alergic to penecilian (sp). Should I be concerned about a possible reaction?

1 doctor weighed in
Dr. Ralph Morgan Lewis
Family Medicine

In brief: Maybe

Reportedly about 10% of penicillin-allergic patients will also be allergic to Keflex or other cephalosporins.
If you develop a rash or difficulty breathing on penicillin, you should probably ask your doc for an alternative antibiotic.

In brief: Maybe

Reportedly about 10% of penicillin-allergic patients will also be allergic to Keflex or other cephalosporins.
If you develop a rash or difficulty breathing on penicillin, you should probably ask your doc for an alternative antibiotic.
Dr. Ralph Morgan Lewis
Dr. Ralph Morgan Lewis
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