It is very important that your doctor check your progress closely while you are receiving this medicine to make sure it is working properly. Blood tests are needed to check for unwanted effects.
This medicine may increase your chance of having blood clots. Tell your doctor right away if you have a sudden or severe headache, problems with vision or speech, chest pain, or numbness or weakness with this medicine.
This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Tell your doctor right away if you have a rash, itching, hoarseness, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth after you get the injection.