Warfarin, heparin, DOACs (apixaban/rivaroxaban), NSAIDs (ibuprofen/naproxen), SSRIs/SNRIs, corticosteroids, proton pump inhibitors (omeprazole/esomeprazole may reduce clopidogrel effect), strong CYP inhibitors, cyclosporine, gemfibrozil, fibrates, macrolides, azole antifungals