title: Anaphylactic reaction to high-dose methotrexate.
mesh_terms: D000707:Anaphylaxis / Q000139:chemically induced*; D001500:BCG Vaccine / Q000009:adverse effects; D002648:Child; D003888:Desensitization, Immunologic; D006801:Humans; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage / Q000009:adverse effects*
chemical_list: D001500:BCG Vaccine; D008727:Methotrexate