They may include acetaminophen or aspirin-like compounds (such as ibuprofen, ketoprofen, or naproxen). Avoid coffee, tea, cola, energy drinks, and other caffeine-containing beverages while taking this drug. They may exacerbate the adverse effects of the medication's caffeine. Caffeine is found in many popular medications, such as Nyquil and Excedrin. It can be dangerous when taken with anticoagulants (blood thinners) because it increases their effect. Caffeine can also interact with certain medications that are used to treat heart disease and diabetes. These drugs include amlodipine, atorvastatin, benazepril, bisoprolol, captopril, cerivastatin, chlorthalidone, diltiazem, enalapril, felodipine, fosinopril, glipizide, glyburide, hydralazine, irbesartan, lisinopril, molsidomine, nifedipine, nitroglycerin, omeprazole, oxcarbazepine, pravastatin, quinapril, ramipril, rosuvastatin, tacrolimus, ticlopidine, torsemide, valsartan, verapamil, and warfarin.