Case: Unexpected development of severe penicillin allergy and review of
A 54-year old male developed unexpectedy a severe penicillin allergy
after 5 standard erysipelas treatments by intravenous benzylpenicillin
and/or oral phenoxymethylpenicillin without any clinical symptoms of
allergy during 16 years. During the 6th erysipelas treatment by
intravenous benzylpenicillin, the patient experienced an anaphylactic
reaction within 30 minutes.