title: Penicillin allergy.
mesh_terms: D004342:Drug Hypersensitivity / Q000209:etiology*; D006801:Humans; D010400:Penicillin G / Q000009:adverse effects*; D010402:Penicillin G Procaine / Q000009:adverse effects*
chemical_list: D010402:Penicillin G Procaine; D010400:Penicillin G