In this video, Prof Vernon J Louw discusses the complication of anaemia in multiple myeloma patients. He explains the normal process of red blood cell production and how it can be disrupted in myeloma patients due to factors such as the overproduction of plasma cells, the production of immunoglobulins, and the impact of myeloma treatments. Prof Louw also highlights the role of the kidneys in red blood cell production and how kidney injury can contribute to anaemia in myeloma patients.