Treatment FAQ

how long are objects contaminated after radioactive iodine treatment

by Destini Donnelly Published 2 years ago Updated 2 years ago

So the general rule of thumb is that after three months, all of the radioactivity is gone.May 26, 2015

Full Answer

Can I contaminate others with radioactive iodine?

This article has been viewed 33,047 times. Learn more... If you're being treated for hyperthyroidism or thyroid cancer, you may be given radioactive iodine or radioiodine. [1] With this treatment, it's possible to contaminate others with radiation, even though the amount of radiation you're given is fairly small.

What to expect after radioactive iodine treatment?

What To Expect After Radioactive Iodine Treatment 1 You're going to be radioactive (for a few days) 2 You may gain weight. 3 You will need to (most likely) be on medication. 4 You may experience other thyroid symptoms. 5 You should consider yourself "hypothyroid" 6 Men may have short-term infertility afterward.

How do you store radioactive iodine in the hospital?

The bedsheets and pillowcases will retain most of the radioactive iodine, as will anything she touches, such as the phone. If we keep a patient in the hospital, we cover the TV clicker and the telephone with Saran Wrap.

Is radioactive iodine treatment an inpatient or outpatient procedure?

Ana Maria Kausel, MD, is a double board-certified endocrinologist affiliated with Mount Sinai St. Luke's/Mount Sinai West in New York City. 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.

How long is radioactive iodine isolation?

Depending on state regulations, patients may have to stay isolated in the hospital for about 24 hours to avoid exposing other people to radiation, especially if there are young children living in the same home.

How do you clean up after radiation treatment?

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.

Can I use my cell phone after radioactive iodine?

You will have to stay in your room for at least 1 to 2 hours after your treatment. You can use your cell phone or watch TV to help pass the time. You won't be able to have visitors during this time. You may not have any side effects from the treatment right after you get it, but you may have side effects later.

How long does it take for radioactive iodine to decay?

It has a radioactive decay half-life of about eight days. It is associated with nuclear energy, medical diagnostic and treatment procedures, and natural gas production.

Can you wash radiation off clothes?

Any radioactive material that gets into surface water or ground water sources will be diluted to very low levels by the water and will be safe to use for washing skin, hair, and clothing.

Does radiation stay on clothing?

For a person to be contaminated, radioactive material must be on or inside of his or her body. Taking off your outer layer of clothing can remove up to 90% of radioactive material. Be very careful in removing your clothing to prevent radioactive dust from shaking loose.

How long does radioactive iodine last on surfaces?

With respect to your question on how does the radioactivity ever go away, all of the radioiodine (no matter where it is or how often it gets moved around) continuously decays at a rate such that half of it goes away every eight days.

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 you not do after radioactive iodine treatment?

What precautions should be taken with radioactive iodine therapy?Avoid prolonged, close physical contact with others, especially children and pregnant women.For the first few days stay a distance of at least 6 feet away from others. ... Sleep alone in a separate bed (at least 6 feet away from another adult).More items...•

Can you be around someone receiving radiation therapy?

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.

How long does it take for iodine to leave the body?

Most of the radioiodine not collected by your thyroid gland will be eliminated during the first two days after your treatment. It leaves the body primarily through your urine, but very small amounts may leave in your saliva, sweat and during a bowel movement.

Can I prepare food after radioactive iodine treatment?

For 3 days after you swallow the capsule: Follow your low-iodine diet. You may resume your normal diet after 3 days. For 1 or 2 days after your dose: Avoid fatty or rich foods to help ease any nausea. We suggest taking an antacid like Zantac or Prilosec for nausea.

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 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, ...

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.

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.

Exact Answer: After 2 to 3 months

Different serious thyroid infections are treated with Radioiodine. The Radioactive Iodine Treatment uses this Radioiodine to destroy or reduce the thyroid cells to a larger extent and also used to treat few specific diseases related to the thyroid.

How Long After Radioactive Iodine Treatment Will I Feel Better?

People usually feel better and changes may be noted from the fourth to eighth week of treatment but in cases where the infection is severe, it takes much longer than expected time to cure. The time it takes to shows its result, usually varies from person to person and relies on the type of hyperthyroidism caused and few other factors.

Why Does It Take That Long To Feel Better After Radioactive Iodine Treatment?

After the RAI treatment, you will radioactive and this will continue for few days. Other cells of the body also tend to receive this radiation but due to the small amount, it does produce any adverse effects. This treatment can be repeated once in three months until there is no sign of thyroid cancer in the scans.

Conclusion

Normal diet can be resumed after 2 days of RAI treatment. Make a practice to drink more amount of liquid and at least 1 cup of low-iodine liquid once each hour. You should follow this for nearly 3 to 4 days to feel comfortable. In almost all cases, people get recovered and thyroid hormones get back to normal level or slightly below normal.

How to get rid of radioiodine in urine?

Clean your hands thoroughly every time you use the bathroom. After you go to the bathroom, soap up and scrub your hands thoroughly, as you'll be passing the most radioiodine in your urine. Scrub for at least 20 seconds before rinsing.

How to prevent radioactive particles in the house?

1. Wash your linens and clothes separately from the rest of the household. Always wash your towels, sheets, and clothes in a different load from other household items. They may spread radioactive particles to other items in the house if you don't take this precaution.

How to clean a bathroom after a precaution period?

Clean the bathroom thoroughly. After your precaution period is up, wipe down the bathroom with disinfecting wipes. Wear gloves for the process, and then place the wipes and gloves in a designated trash bag. ...

How to keep dishes from spreading radioactive particles?

2. Wash your dishes separately from the rest of the dishes. Reserve dishes and utensils for yourself that only you use, kept away from other dishes and utensils. Also, wash these items separately from other household dishes so you don't spread radioactive particles to other items.

What to do if you spill urine?

If you spill urine or vomit, clean up the area with toilet paper and a household cleaner. With spills, always contact the radiation clinic to find out if you need to do more to clean them. ...

What to do with contaminated disposable items?

Place all contaminated disposable items in a separate trash bag. The facility where you have your treatment may give you a special bag for trash. Anything you use that's disposable, such as food plates, utensils, non-flushable cleaning wipes, and gloves, should be placed in that bag. The bag should be leak-proof.

Can you get radioactive iodine if you have thyroid cancer?

If you're being treated for hyperthyroidism or thyroid cancer, you may be given radioactive iodine or radioiodine. [1] With this treatment, it's possible to contaminate others with radiation, even though the amount of radiation you're given is fairly small.

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.

How long should you wait to breastfeed after radioiodine?

You must stop breastfeeding before you can be treated with radioiodine. If possible, you should stop breastfeeding for 6 weeks prior to treatment. You should not resume breastfeeding after treatment for your current child, but you may safely breastfeed babies you may have in the future.

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 long does it take for radioiodine to come out of your body?

My institution recommends the following: The First Four Days : 1. Most of the radioiodine in your body will come out through the urine and stool. A small portion of radioactivity will be found in your saliva and sweat. To decrease the spread of radioactivity: If possible, use a separate bathroom.

How to get radioactive iodine out of a daughter's body?

A. The iodine will come out of your daughter's pores in sweat, urine, and stools. Frequent hand washing will reduce the spread of contamination. The bedsheets and pillowcases will retain most of the radioactive iodine, as will anything she touches, such as the phone.

How to reduce radioactivity?

To decrease the spread of radioactivity: If possible, use a separate bathroom. Flush the toilet two times after each use. Men should sit down when urinating. If urine should be spilled/splashed, wash and rinse the affected area three times, using paper towels or tissue.

How to reduce radiation dose to others?

To decrease the radiation dose to others: You should sleep in a separate bed. Cover the pillow with two pillowcases or a water-resistant cover if possible. Remain in your home for the first four days. Do not hold young children or spend much time near a pregnant woman.

Does iodine 131 wash out?

She should have received written instructions on handling of the linens and bath towels. The iodine-131 will wash out in the laundry. Vacuuming will pick up hair that is shed, which will have small amounts of radioactivity in it since our heads also sweat.

What to do if your feet are radioactive?

Do's. DO - Wear Slippers (cheap and disposable) or thick socks at all times. Your feet perspire and will leave radioactive “footprints”. DO - Place a plastic drop cloth under your bed sheets and above your mattress pad. Wrap your pillow (under the pillow case) with plastic cooking wrap.

Can bleach cause radioactive iodine?

Dont's. DON'T - USE BLEACH or bleach containing cleaners. Bleach will cause radioactive iodine to become gaseous and may spread far and wide. DON'T - Forget to remove any drop-in toilet tank cleaners that have bleach in them. DON'T - Eat any foods with cores or bones (such as apples, fried chicken, etc.) or chew gum.

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