Penicillin allergy.
D004342:Drug Hypersensitivity; D006967:Hypersensitivity / Q000209:etiology*; D010406:Penicillins / Q000031:analogs & derivatives; D011343:Procaine / Q000009:adverse effects*
D010406:Penicillins; D011343:Procaine
ALLERGY/etiology and pathogenesis; PENICILLIN/related compounds; PROCAINE/injurious effects