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A member asked:
My 3 year old was treating her eye with polymyxin b sul-trimethoprim and next day she developed hives. which ingredient of this med she is allergic to?
5 doctors weighed in across 2 answers
Can't tell: She could be allergic to either or to something else entirely. It is often difficult, if not impossible, to tell what someone is allergic to.
Answered 3/12/2013
5.3k views
Thank
Neomycin: Usually it is the neomycin that provokes allergy but sulfa can do this as well.
Answered 3/13/2013
5.2k views
Thank
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