Alcohol, corticosteroids, corticotrophin, K supplements, anticoagulants, heparin, thrombolytic agents, oral antidiabetic agents, insulin, antihypertensives, diuretics, other NSAIDs, bone marrow depressants, digoxin, cefamandole, cefoperazone, cefotetan, plicamycin, valproic acid, cyclosporine, gold compds & other nephrotoxic compds, lithium, methotrexate.