Penicillin allergy.
D000900:Anti-Bacterial Agents / Q000009:adverse effects*; D003429:Cross Reactions; D004342:Drug Hypersensitivity / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D007769:Lactams; D010406:Penicillins / Q000008:administration & dosage / Q000009:adverse effects* / Q000276:immunology; D011852:Radioallergosorbent Test
D000900:Anti-Bacterial Agents; D007769:Lactams; D010406:Penicillins