Grafalon Injection is used for the prevention of organ rejection in transplant patients. It regulates the body’s immune response, so the body can accept the new organ. Grafalon Injection must be taken by following the instructions written in the label or as per the doctor's guidance. You must receive the exact dose of it as per the prescription. An overdose of this medicine may have serious side effects on the body. The common side effects of this medicine are urinary tract infection, abdominal pain, nausea, shortness of breath, fever, headache, anxiety, chills, infections, etc. It may also cause an injection site reaction (redness, pain, and swelling). The medicine can safely be used in children. Inform the doctor immediately if you experience any allergic reactions such as rash, shortness of breath, coughing, swelling, etc. Before taking this medicine, it is important to consult your doctor if you have any ongoing medication for any underlying disease. Pregnant and breastfeeding women must inform the doctor prior to the initiation of this treatment. During the treatment, your doctor may advise you some laboratory tests to know the effects of the medicine in the body.