- medications known to precipitate steatohepatitis (corticosteroids, high dose estrogens, methotrexate, amiodarone, spironolactone, sulfasalazine, perhexiline maleate, diethylamino- ethoxyhexestrol (DH), tamoxifen, diethylstilbestrol, naproxen or oxacillin) or regular intake of non-steroidal anti-inflammatory drugs (except for low dose aspirin), use of ursodeoxycholic acid or any experimental drug in the 6 months prior to entry.