Tell your doctor about all your other medicines, especially:
colestipol or cholestyramine;
insulin or oral diabetes medicine;
lithium;
sedatives or narcotic medicine;
heart or blood pressure medicine - clonidine, digoxin, diltiazem, disopyramide, reserpine, verapamil, and others;
NSAIDs (nonsteroidal anti-inflammatory drugs) - aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve), celecoxib, diclofenac, indomethacin, meloxicam, and others; or
steroid medicine - prednisone and others.
This list is not complete. Other drugs may interact with hydrochlorothiazide and bisoprolol, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
 Ziac drug interactions (more detail)
