title: Multiple myeloma complicated by enterococcal endocarditis and penicillin allergy.
mesh_terms: D000368:Aged; D004342:Drug Hypersensitivity / Q000209:etiology*; D004698:Endocarditis, Subacute Bacterial / Q000150:complications*; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D008297:Male; D009101:Multiple Myeloma / Q000150:complications* / Q000276:immunology; D010400:Penicillin G / Q000009:adverse effects*; D013290:Streptococcal Infections / Q000150:complications*
chemical_list: D007070:Immunoglobulin A; D010400:Penicillin G