Drug Interactions of Sulindac • Lithium e.g. Lithobid, Eskalith • NSAIDs • Angiotensin Receptor Blockers (ARBs) e.g. Losartan, Valsartan • Angiotensin Converting Enzyme (ACE) Inhibitors e.g. Captopril, Enalapril • Methotrexate • Anticoagulants e.g. Warfarin