It is very important that your doctor check you or your child closely while you are receiving this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to use.
This medicine may cause a serious type of allergic reaction called anaphylaxis. Anaphylaxis requires immediate medical attention. The most serious signs of this reaction are very fast or irregular breathing, gasping for breath, wheezing, or fainting. Other signs may include changes in color of the skin of the face, very fast but irregular heartbeat or pulse, hive-like swellings on the skin, and puffiness or swellings of the eyelids or around the eyes. If these side effects occur, get emergency help at once.
You may be exposed to radiation when you are given this medicine. This may also increase your risk to have cancer (especially in children). Talk with your doctor if you or your child have concerns about this.
If you are a woman who can get pregnant, the imaging procedures should be done within 10 days on the start of your monthly period or a pregnancy test be performed within 48 hours before the procedure.