Glyburide, furosemide, nifedipine, cationic agents (eg, amiloride, digoxin, morphine, procainamide, quinidine, quinine, ranitidine, triamterene, trimethoprim, vancomycin), other drugs w/ any tendency to cause hyperglycaemia including thiazide & other diuretics, corticosteroid, phenothiazine, thyroid products, estrogen, OC, phenytoin, nicotinic acid, sympathomimetic agents, Ca channel blocker, INH.