D nib 50mg injection contains the active substance decitabine. It is an antineoplastic drug that belongs to the class of medications called DNA methylation inhibitors. It is used to treat myelodysplastic syndrome (a group of conditions in which the bone marrow produces blood cells that are misshapen and do not produce enough healthy blood cells). It is also used to treat a type of cancer called acute myeloid leukemia (AML). It works by stopping the cancer cells from growing. Do not take this injection if you are allergic to decitabine or any other ingredients of this medicine. Inform your physician if you have an infection, decreased blood cell count, liver disease, kidney disorder, and a heart disorder. This medicine is not recommended for children or young people below 18 years of age. This medicine can cause a serious immune reaction called differentiation syndrome. Report to your physician if you face any symptoms of sudden difficulty in breathing, cough, fever, or swelling in the body. D nib 50mg injection should not be used in pregnant and breastfeeding women. Inform your physician if you are pregnant or breastfeeding. Use effective contraception throughout the therapy to avoid pregnancy. The common adverse reactions are decreased white blood cells, red blood cells, platelet counts, and increased body temperature.