Prolonged reaction to intramuscular benzathine penicillin.
D006967:Hypersensitivity; D007273:Injections, Intramuscular; D010401:Penicillin G Benzathine; D010406:Penicillins / Q000031:analogs & derivatives
D010406:Penicillins; D010401:Penicillin G Benzathine
ALLERGY; PENICILLIN/derivatives