Diuretics, oral antidiabetic agents, anti-inflammatory agents, D-thyroxine, alcohol, salicylate, indomethacin, cimetidine, azapropazone, quinidine, broad-spectrum antibiotics, phenformin, tolbutamide, phenylbutazone, clofibrate, ACTH, corticosteroid, barbiturate, phenytoin, estrogen, OC, cholestyramine, carbamazepine, glutethimide, phenazone, griseofulvin & rifampicin.