From producing individual blood components for transfusion to the removal of pathogenic substances, apheresis is a cornerstone of modern medical therapies. The use of therapeutic plasma exchange (TPE), in which plasma and its soluble constituents are removed from the body in exchange for a replacement fluid, can be organ- and life-saving in many diseases. Given the notable similarities between TPE and hemodialysis, the nephrologist is often responsible for managing TPE. As such, one must be familiar with the technologies, approach to therapy, indications for use, and complications.