Top of the page
Radioactive iodine is absorbed and concentrated by the thyroid gland. You get it in liquid or pill form. The radiation will pass out of your body through your urine within days. Until that time, you will give off radiation in your sweat, your saliva, your urine, and anything else that comes out of your body. It is important to avoid exposing other people to the radioactivity from your body.
Your doctor will give you more written instructions. Follow these carefully. The instructions will tell you how far to stay away from people and how long you need to follow precautions. They will list other ways to keep other people safe. They will also tell you when it will be safe to go out, go to work, and do other activities.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Watch closely for any changes in your health, and be sure to contact your doctor or nurse call line if:
Go to https://www.healthwise.net/patientEd
Enter N721 in the search box to learn more about "Radioactive Iodine: What to Expect at Home".
Current as of: March 31, 2020
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
©2006-2020 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.