title: Pseudoanaphylactic reactions with procaine penicillin.
mesh_terms: D000707:Anaphylaxis / Q000139:chemically induced*; D003937:Diagnosis, Differential; D004342:Drug Hypersensitivity / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D006069:Gonorrhea / Q000188:drug therapy; D006801:Humans; D010402:Penicillin G Procaine / Q000009:adverse effects*; D011343:Procaine / Q000009:adverse effects; D013577:Syndrome
chemical_list: D010402:Penicillin G Procaine; D011343:Procaine