Dargen 25 Injection is used in the treatment of anemia that may have occurred due to chronic kidney disease or chemotherapy. It works by stimulating the bone marrow to produce more red blood cells.Dargen 25 Injection is a medicine that needs to be used with utmost care because it can lead to serious side effects. It is important that you seek treatment from a doctor who is experienced in providing this medical therapy. You should follow all the directions of the doctor strictly. It is given under the supervision of a healthcare professional.