title: Successful psoriasis treatment then sudden 'cytotoxicity'.
mesh_terms: D000328:Adult; D000380:Agranulocytosis / Q000139:chemically induced; D004347:Drug Interactions; D005892:Gingivitis, Necrotizing Ulcerative / Q000139:chemically induced; D006801:Humans; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage / Q000009:adverse effects*; D011019:Pneumonia, Mycoplasma / Q000188:drug therapy; D011565:Psoriasis / Q000188:drug therapy*; D013752:Tetracycline / Q000008:administration & dosage / Q000009:adverse effects
chemical_list: D013752:Tetracycline; D008727:Methotrexate