Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: riociguat, other antiplatelet drugs (such as abciximab, ticlopidine).

If you are currently taking aspirin, talk to your doctor right away and ask if you should keep taking it with this medication. If you are not currently taking aspirin, talk to your doctor before starting it for any medical condition.

This medication is sometimes used together with other drugs that may increase your risk of bleeding. Examples are certain "blood thinners" (such as heparin, warfarin). Follow your doctor's instructions carefully and continue your medications as directed. Tell your doctor if you notice unusual bleeding. Consult your doctor or pharmacist for more details.

This medication may interfere with certain medical/lab tests (such as chemical stress tests using adenosine/dipyridamole), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug.