Brilinta (Ticagrelor) interactions. 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. Some products that may interact with this drug include: mifepristone, other drugs that can cause bleeding/bruising (including other antiplatelet drugs such as clopidogrel, NSAIDs such as ibuprofen/naproxen, “blood thinners” such as dabigatran/warfarin).