Anemia is a condition where your body does not have enough red blood cells to carry oxygen around your body. Chronic kidney disease (CKD) refers to the loss of normal kidney function over a long span of time. CKD progresses gradually over a few years but may become permanent if left untreated. CKD can lead to anemia. Zynesp 40 Injection can boost your levels of red blood cells and reduce the symptoms of anemia such as tiredness and weakness. Taking this injection improves the quality of life.