AntiD 300mcg/ml Injection is indicated to prevent infections. It prevents antibodies from forming after a person with Rh-negative blood receives a transfusion with Rh-positive blood, or during pregnancy when a mother has Rh-negative blood and the baby is Rh-positive. AntiD 300mcg/ml Injection is given for Rh prophylaxis in pregnancy-related complications. It is also approved for Incompatible transfusions in Rh-negative individuals transfused with blood components containing Rh-positive red blood cells (RBCs). It may also be used for immune thrombocytopenic purpura, a condition wherein the number of circulating platelets decrease leading to easy bruising. Your doctor or nurse will give you this injection. Kindly do not self administer. The injection is given into a muscle; normally it is given in the upper arm. You will be offered an anti-D injection routinely at 28 weeks of pregnancy and within 72 hours of birth if your baby is Rh D positive. This medicine may sometimes cause side effects like fever, headache, feeling of discomfort, and injection site tenderness or pain. If you get any of these, or other reactions, or just feel unwell, you should tell your doctor. There may be ways of preventing or reducing these effects. Before using it, you should tell your doctor if you have any problems with blood clotting and if you have recently had, or plan to have, a vaccination.