Treatment FAQ

how soon after taking radioactive iodine treatment

by Prof. Ellsworth Schiller Sr. Published 2 years ago Updated 2 years ago
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Full Answer

How do you clean after radioactive iodine treatment?

  • Avoiding physical contact with other members of the household, including sleeping alone
  • Flushing your toilet twice after every use
  • Washing your hands frequently with decontamination soap
  • Avoiding cooking for others
  • Using plastic gloves to cook
  • Keeping all clothing and linens separate from the rest of the household

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What are the risks of radioactive iodine treatment?

  • Stay at least six feet away from other people, including members of the public, family members, and co-workers, for three to 11 days. ...
  • Sleep apart from adults by at least six feet (a separate bedroom is recommended) and avoid sexual activity.
  • Avoid sleeping in the same bed with a pregnant woman, infant, or child for a period of six to 23 days. ...

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What are the long term side effects of radioactive iodine?

Long term side effects of radioactive iodine treatment vary depending on:

  • your age
  • other medical conditions
  • your dose of radioactive iodine

What are the side effects of radioactive iodine therapy?

Temporary side effects of RAI may include:

  • Neck tenderness and swelling.
  • Nausea.
  • Swollen salivary glands.
  • Loss of taste or taste change.
  • Dry mouth/insufficient salivary production.
  • Dry eyes.
  • Excessive tearing from the eyes.

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How long do you have to be isolated after radioactive iodine?

You are also required to self isolate for 7 days after your radioiodine treatment in order to minimise the risk of contracting COVID-19 whilst there is still a large amount of radioactivity in your body. A small proportion of people with COVID-19 may become very unwell and require admission to hospital.

How long do you have to stay away from someone after radiation?

The radiation travels a very short distance, so the effects are mostly to the tumor. However, you may have to limit contact with other people for up to one week after treatment. It is especially important to avoid close contact with children and women who are pregnant.

What can you not do after radioactive iodine treatment?

Do not share cups, glasses, plates or eating utensils. Wash items promptly after using. Other people may use items after they are washed. Do not share towels or washcloths.

What will a person receiving radioactive iodine therapy need after treatments are done?

Your body will give off radiation for some time after you get RAI therapy. Depending on the dose of radioiodine used and where you are being treated, you might need to be in the hospital for a few days after treatment, staying in a special isolation room to prevent others from being exposed to radiation.

What happens if you are exposed to someone with radioactive iodine?

If too much radioactive iodine enters your body, the radioactive iodine will destroy your thyroid gland so that the gland will stop making hormones. Too much radioactive iodine in your body can also cause thyroid nodules or cancer.

What can I expect after my first radiation treatment?

The most common early side effects are fatigue (feeling tired) and skin changes. Other early side effects usually are related to the area being treated, such as hair loss and mouth problems when radiation treatment is given to this area. Late side effects can take months or even years to develop.

Do you gain weight after radioactive iodine treatment?

Treatment of hyperthyroidism with RAI or anti-thyroid medications is associated with an increased risk of gaining weight and even developing obesity. This risk is slightly higher with RAI therapy compared to medications.

What are the long term side effects of radioactive iodine?

NCI study finds long-term increased risk of cancer death following common treatment for hyperthyroidism. New study findings show an association between the dose of a common treatment for hyperthyroidism and risk of death from solid cancers.

Can I eat after radioactive iodine?

A low-iodine diet will make your radioactive iodine therapy more effective. If you have too much iodine in your diet, it can stop the thyroid cells from taking up the radioactive iodine. Continue to follow this diet for 24 hours after your treatment is completed, or as instructed by your doctor.

Can you be around others after radiation?

The radiation doesn't travel very far from the treatment area. So it is usually safe to be with other people. However, as a precaution you will need to avoid very close contact with children and pregnant women for a time.

How successful is radioactive iodine treatment?

Conclusion: Radioactive iodine treatment is an effective modality for definitive treatment of hyperthyroidism with long-term cure approaching 80%.

How long does it take for thyroid to stop taking up radioactive iodine?

If you have too much iodine in your diet, it can stop the thyroid cells from taking up the radioactive iodine. Continue to follow this diet for 24 hours after your treatment is completed, or as instructed by your doctor. Read the resource for more information.

How long after radioactive iodine therapy can you get pregnant?

Pregnancy and radioactive iodine therapy. Don’t get pregnant or get your partner pregnant for at least 6 months after getting radioactive iodine therapy, or as long as your doctor tells you to. Use birth control after treatment for at least 6 months after getting this treatment.

What is the name of the service that takes up thyroid cells?

If you do, tell your doctor in Molecular Imaging and Therapy Service (MITS) before your treatment. This is sometimes called the Nuclear Medicine service. Radioactive iodine enters your bloodstream and is taken up by any thyroid- like cells. The radioactivity destroys the cancer cells.

How to treat thyrotropin alfa?

Your treatment plan will follow these steps that will take place over a few days: 1. On the first day, you’ll have blood tests. After those tests, you’ll see your doctor and get a thyrotropin alfa (Thyrogen ®) injection (shot) to help you get ready for your treatment.

Where does radioactive iodine leave the body?

Most of the extra radioactive iodine will leave your body through your urine (pee), and smaller amounts will leave your body in your saliva (spit), sweat, and bowel movements (poop).

How long before breast cancer treatment can you pump milk?

To prevent having radioactive iodine collect in your breast after your treatment, you’ll need to stop breastfeeding or pumping breast milk at least 6 to 12 weeks before your treatment.

How long does it take for thyroid pain to go away?

This is temporary and usually goes away within 8 weeks after your treatment. Try foods with different flavors to make sure you get the nutrition you need. Discomfort in your neck. This can happen during the first 2 to 3 weeks after your treatment, but it depends on the amount of thyroid tissue still in your neck.

What to do before RAI treatment?

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 .

How to avoid radiation?

Here are some ways to minimize radiation risks to other people (and pets) after you have had RAI treatment: 1 Stay at least six feet away from other people, including members of the public, family members, and co-workers, for three to 11 days. This means avoiding public transportation, hotels, carpools, and in some cases, your workplace. 2 Sleep apart from adults by at least six feet (a separate bedroom is recommended) and avoid sexual activity. 3 Avoid sleeping in the same bed with a pregnant woman, infant, or child for a period of six to 23 days. According to the Nuclear Regulatory Commission, infants and children should ideally stay outside the home for the recommended period. 1  4 To protect family pets, do not sleep with them for up to 21 days.

How to minimize radiation risks?

Keep Your Distance. Here are some ways to minimize radiation risks to other people (and pets) after you have had RAI treatment: Stay at least six feet away from other people, including members of the public, family members, and co-workers, for three to 11 days. This means avoiding public transportation, hotels, carpools, and in some cases, ...

Is iodine used for Graves disease?

If radioactive iodine treatment (RAI) is recommended as part of your treatment for Graves’ disease, hyperthy roidism, 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.

Can you take iodine 131 with pets?

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.

Does iodine affect thyroid?

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. Laura Porter / Verywell.

Can you hospitalize after a RAI?

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. A Low-Iodine Diet Can Make Radioactive Iodine Treatment More Effective.

How long after iodine is taken to go away?

After the first two days post-administration, 98% of the iodine will be gone and you can begin to ease up on these instructions. However, many providers will recommend that you try to keep it up for the first week post-administration, just to be overly cautious.

How long does it take for iodine to be excreted?

Excretion is so rapid that as long as you have reasonable kidney function, 50% of the administered iodine is gone within eight hours. Another 50% of the remaining circulating iodine is excreted during the second eight hours and so on.

What percentage of iodine is fixed in thyroid?

The remaining 1.6% of the iodine at this point is primarily fixed in any residual thyroid tissues and no longer circulating. It's this residual fixed iodine that achieves the therapeutic effect of the treatment. You should first understand that you don't need to place yourself in an isolation room.

How does radioiodine work?

In short, radioiodine is administered as a salt pill or solution. Instead of being normal salt, sodium chloride (NaCl), it is sodium iodide (NaI). Once you swallow the treatment dose, iodine-131 ( 131 I) is rapidly absorbed into the circulation.

How long should you wash your clothes after a radioactive reaction?

Personal clothing, sheets, bedding, washcloths, and towels should be collected and washed separately for the first 48 hours. After washing, run the washing machine through an extra wash cycle to clear out any residual radioiodine before using it for others.

How long should you sleep with radioiodine?

You should also make separate sleeping arrangements for the first 48 hours to maintain this distance. Since the radioiodine is administered as a salt, is can pass through the skin barrier with perspiration, so you shouldn't exercise or swim in pools during the first 48 hours.

How far away should you be from family during radioiodine?

You should try to keep all family and friends during this period at least one meter (three feet) away and do not have direct physical contact, especially intimate contact, like kissing or hand holding where radioiodine could be passed onto others.

How long does radioiodine stay in your system?

Radioiodine stays in your body for only a short time. Most of the radioiodine that does not go to thyroid tissue will be eliminated from your body during the first few days after treatment. Radioiodine leaves your body primarily through your urine, but very small amounts can be found in your saliva, sweat and bowel movements.

What is radioiodine used for?

What is radioiodine? Radioiodine (sodium I-131) is a form of radiation therapy that has been used for many years to treat thyroid conditions. It is safe and effective but requires you to observe certain precautions to decrease the small amount of radiation that other people may receive from your body and bodily fluids.

How can radiation exposure be reduced?

Radiation exposure to other people can be reduced by keeping a reasonable distance between yourself and others and keeping the time you are close to others to a minimum. Your doctor should review the following instructions with you and answer all of your questions.

How can you reduce radiation exposure to others?

Radiation exposure to other people can be reduced by keeping a reasonable distance between yourself and others and keeping the time you are close to others to a minimum. Your doctor should review the following instructions with you and answer all of your questions. It is important to let your doctor know if you will not be able to follow all of these instructions.

Why do we need radioactive iodine?

Radioactive iodine initially is given to destroy any residual thyroid cancer cells left behind after surgery. Once routine in all thyroid cancer patients, newer guidelines by the American Thyroid Association have recommended more limited use of radioactive iodine therapy.

What is the purpose of iodine 131?

I-131 is the destructive form used to destroy thyroid tissue in the treatment of thyroid cancer and with an overactive thyroid. I-123 is the non-destructive form that does not damage the thyroid and is used in scans to take pictures of the thyroid (Thyroid Scan) or to take pictures of the whole body to look for thyroid cancer (Whole Body Scan).

What is the best treatment for thyroid cancer?

The first treatment option for thyroid cancer is surgical removal of the thyroid (thyroidectomy). Radioactive iodine therapy is recommended to many patients with thyroid cancer, especially those at increased risk for cancer recurrence after surgery.

What is the I-123 form?

I-123 is the non-destructive form that does not damage the thyroid and is used in scans to take pictures of the thyroid (Thyroid Scan) or to take pictures of the whole body to look for thyroid cancer (Whole Body Scan). Table of Contents | PDF File for Saving and Printing.

Does radioactive iodine therapy affect thyroid cancer?

This study suggests that the timing of radioactive iodine therapy relative to thyroidectomy did not alter disease outcomes in thyroid cancer. This finding allows for more flexibility in timing when scheduling radioactive iodine therapy following thyroidectomy and, thus, patients can have more input on this timing relative to their life schedule.

How long after thyroidectomy can you give radioactive iodine?

Giving radioactive iodine within 3 months after thyroidectomy results in better responses than delaying therapy beyond 3 months after surgery. BACKGROUND. Patients diagnosed with thyroid cancer usually have an excellent prognosis. This is due to effective therapies, including surgery and, when needed, radioactive iodine therapy.

What is radioactive iodine ablation?

The process of destroying residual thyroid tissue is called radioactive iodine ablation. In patients who have an indication to undergo radioactive iodine ablation, there is currently no agreement regarding the best timing of administration.

What is the purpose of iodine 131?

I-131 is the destructive form used to destroy thyroid tissue in the treatment of thyroid cancer and with an overactive thyroid. I-123 is the non-destructive form that does not damage the thyroid and is used in scans to take pictures of the thyroid (Thyroid Scan) or to take pictures of the whole body to look for thyroid cancer (Whole Body Scan).

What is a total thyroidectomy?

When the entire thyroid is removed it is termed a total thyroidectomy. When less is removed, such as in removal of a lobe, it is termed a partial thyroidectomy. Excellent response: undetectable thyroglobulin (tumor marker) with negative imaging in thyroid cancer patients following treatment.

What is thyroid remnant ablation?

Thyroid Remnant Ablation: destruction of the small amount of thyroid tissue that remains after surgery (thyroidectomy) with the use of radioactive iodine.

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