title: Near fatal drug interactions with methotrexate given for psoriasis.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D004347:Drug Interactions; D005260:Female; D006801:Humans; D008727:Methotrexate / Q000009:adverse effects*; D009288:Naproxen / Q000009:adverse effects*; D009336:Necrosis; D010198:Pancytopenia / Q000139:chemically induced*; D011565:Psoriasis / Q000188:drug therapy* / Q000473:pathology; D012867:Skin / Q000473:pathology; D012883:Skin Ulcer / Q000139:chemically induced* / Q000473:pathology; D014295:Trimethoprim / Q000009:adverse effects*
chemical_list: D009288:Naproxen; D014295:Trimethoprim; D008727:Methotrexate