Red blood cells, along with some anticoagulant are returned to you while the plasma and/or platelets are being collected.
Although very rare, the following can occur when your red blood cells are returned:
Please alert a team member if you experience unusual symptoms such as tingling around the mouth, chills, heaviness in the chest, difficulty breathing, chest pain, back pain or general discomfort. Some of these symptoms can be alleviated by slowing down the procedure.
Occasionally, the red blood cells cannot be returned to a donor. If so a temporary deferral from donating may be required for your safety, depending on the volume of red blood cell loss.