Allergy to phenethicillin.
D006967:Hypersensitivity / Q000209:etiology*; D010404:Penicillin V / Q000031:analogs & derivatives; D010406:Penicillins / Q000633:toxicity*
D010406:Penicillins; C100209:phenethicillin; D010404:Penicillin V
ALLERGY/etiology; PENICILLIN/toxicology