If radioactive iodine treatment (RAI) is recommended as part of your treatment for Graves’ disease, hyperthyroidism, or thyroid cancer, you will most likely be given it as an outpatient. Because the radioactive iodine used (known as iodine 131) may expose those around you to the effects of radiation (and theoretically negatively affect their thyroid glands), you will be given guidelines on how to prevent such exposure. The following recommendations will give you an idea of precautions to take to avoid exposing other people (as well as pets) to iodine 131, which may be present in bodily fluids or occur as a result of close contact. The recommended timeframes are based on the size of the dosage you are receiving, so discuss the specifics with your healthcare provider prior to treatment. Here are some ways to minimize radiation risks to other people (and pets) after you have had RAI treatment:
Your healthcare provider will give you specific guidelines regarding how long various restrictions should remain in place in order to protect those around you. Be particularly careful around infants and children, who are especially at risk for exposure complications. If you are unable to avoid direct or indirect contact with infants and young children, ask your healthcare provider about the possibility of hospitalization. It is not common in the United States to hospitalize patients after RAI, but if you are receiving a particularly high dosage of iodine 131 and have no way to protect children or babies, it may be an option. To further avoid exposing others to radiation:
If you will be traveling via airplane or crossing an international border in the period following RAI treatment, you must be provided with a written document from your healthcare provider stating they you have been given a medical treatment involving radiation, as security monitoring devices can detect it.
Most thyroid patients who receive RAI treatment eventually end up hypothyroid and will need to take thyroid hormone replacement drugs indefinitely. Before you or any family members have RAI treatment, it is strongly recommended that you read up on post-RAI guidelines and speak with your healthcare providers about how they should be applied to you.
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What are your concerns? Why will I receive radioiodine treatment? Why do I need special care? How does radioiondine work? How long does radioiodine stay in your body? Where will I stay when I have my iodine therapy? If you are admitted to the hospital, your room will have a protective covering on the floor. There will also be plastic covers on some of the furniture, door handles, light switch, telephone and TV remote. This is to protect others who will use the room after you, and facilitate cleanup. While you are in this special room you will be allowed visitors only for a short time period. You can call your family and friends on the telephone. If you are treated as an outpatient, family members should not come closer than six feet from you the first day and three feet the second day. Further precautions will most likely not be necessary after this, but this will be determined by the radiation safety specialists with a specific measurement. At home, please cover items that are frequently shared, such as a TV remote control or computer keyboard or wear disposable gloves. Your doctors and nurses will come into your room to take care of you. The staff will always be available to you to assist you whenever needed. However, the staff will spend as little time as possible in your room. This will help to limit the staff's exposure to radiation.How can I reduce radiation exposure to others? There are three basic principles to remember:
How do I apply these principles? In the hospital:
At home:
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