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A member asked:
I had had an amoxicillin rash due to mono 6 years ago. am i allergic to penicillin?
8 doctors weighed in across 2 answers
Uncertain: The antibiotics Ampicillin & Amoxicillin are relatively contraindicated during mononucleosis because their use causes a nonallergic rash in close to 99% of the patients. [van der linden pd, van der lei j, vlug ae, stricker bh (august 1998). "skin reactions to antibacterial agents in general practice". J clin epidemiol 51 (8): 703–8] an allergist can test if you're allergic to penicillin.
Answered 6/24/2014
5.7k views
No: A rash when taking Amoxicillin during mononucleosis is not an allergy and does not preclude future penicillin treatment.
Answered 6/24/2014
4.7k views
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