TOPIC: Critical Care TYPE: Medical Student/Resident Case Reports INTRODUCTION: Leflunomide (LEF) is a disease modifying antirheumatic drug. In this case report, we will highlight conditions which have been associated with LEF use and warrant immediate discontinuation early cholestyramine washout. CASE PRESENTATION: A 52 year old woman history of RA on prednisone LEF, stage 3 chronic kidney pres...