Tell all family doctors, dentists, nurses and pharmacists you go to that you are taking this drug. Clopidogrel may increase the risk of serious bleeding during an operation or some kinds of dental work. Therefore, treat may have to be stopped about 7 days before the operation or dental work is done.
Check with your family doctor immediately if you notice bruising or bleeding, especially bleeding that is hard to stop. Bleeding inside the body sometimes appears as bloody or black, tarry stools, or faintness.