Development of sensitivity to penicillinase following its use in penicillin reaction.
D006967:Hypersensitivity; D007154:Immune System Diseases; D010405:Penicillinase / Q000009:adverse effects*; D010406:Penicillins
D010406:Penicillins; D010405:Penicillinase
ALLERGY; PENICILLINASE/injurious effects