It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly. Blood tests may be needed to check for unwanted effects.
This medicine may cause a serious side effect called an infusion reaction. This can be life-threatening and requires immediate medical attention. Tell your doctor or nurse right away if you have fever, chills, breathing problems, chest pain, fast or pounding heartbeat, hives, or rash after you receive the injection.
Call your doctor right away if you have dizziness, faintness, or lightheadedness when getting up from a lying or sitting position; rapid weight gain; or swelling of hands, ankles, feet, or lower legs. These may be symptoms of a rare but serious condition called capillary leak syndrome.
Check with your doctor right away if you have any vision changes (e.g., decrease in vision, loss of color vision) while you are using this medicine. Your doctor may want you to have your eyes checked by an eye doctor.