Constitutional reaction to penicillinase used in the treatment of a penicillin reaction.
D010405:Penicillinase / Q000627:therapeutic use*; D010406:Penicillins / Q000009:adverse effects*
D010406:Penicillins; D010405:Penicillinase
PENICILLIN/injurious effects; PENICILLINASE/therapeutic use