Fresenius Medical Care is voluntarily recalling specific lots of NaturaLyte ® Sodium Bicarbonate Liquid Concentrate in 6.4L and 8L volumes due to possible bacterial contamination. This product is used in a form of dialysis (haemodialysis) that removes waste products from the blood by passing the blood out of the body through a filtering system and returning the cleaned blood to the body. The affected product was distributed to hospitals and home settings between May 20, 2014 and May 8, 2015. Users should check lots (see “Products Affected” section below) prior to administering or using this product.