Be sure to mention any of the following acarbose precose ; anticoagulants blood thinners such as warfarin coumadin, jantoven ; antifungals such as fluconazole diflucan , itraconazole onmel, sporanox , and ketoconazole nizoral ; beta blockers such as atenolol tenormin , labetalol trandate , metoprolol lopressor, toprol xl, in dutoprol , nadolol corgard, in corzide , propranolol inderal, innopran, in inderide , and timolol ; carbamazepine carbatrol, epitol, tegretol ; cimetidine tagamet ; digoxin lanoxin ; diltiazem cardizem ; doxazosin cardura ; erythromycin e.