This anti-cancer medicine is used for the treatment of blood cancer. It inhibits the growth of cancer cells by interfering with leukemia. Azacitidine 100 Mg Injection has some side effects as well that are low blood platelets, abdominal pain, anemia, insomnia, loss of appetite diarrhea, headache, and many more. One must use effective contraceptive methods to avoid pregnancy as it may lead to harm to the unborn baby.