|Year : 2017 | Volume
| Issue : 3 | Page : 122-123
Patients' instuction list for radioactive iodine I-131 treatment (for hyperthyroidism management)
Rashmi Aggarwal1, Sanjay Kalra2
1 Department of Thyroid and Endocrine Research, Institute of Nuclear Medicine and Allied Sciences, DRDO, Ministry of Defence, New Delhi, India
2 J of Social Health in Diabetes (JoSH Diabetes), Bharti Hospital and B.R.I.D.E., Karnal, India
|Date of Web Publication||9-Oct-2017|
Department of Thyroid and Endocrine Research, Institute of Nuclear Medicine and Allied Sciences, DRDO, Ministry of Defence, New Delhi - 110 054
Source of Support: None, Conflict of Interest: None
This patient information guide sets out instructions for patients who plan to undergo radioactive iodine ablation for the management of uncontrolled hyperthyroidism. This information, shared in a reader-friendly format, will benefit both patients and health-care providers.
Keywords: Antithyroid drugs, Graves' disease, medication counseling, patient counseling, radioablation
|How to cite this article:|
Aggarwal R, Kalra S. Patients' instuction list for radioactive iodine I-131 treatment (for hyperthyroidism management). Thyroid Res Pract 2017;14:122-3
|How to cite this URL:|
Aggarwal R, Kalra S. Patients' instuction list for radioactive iodine I-131 treatment (for hyperthyroidism management). Thyroid Res Pract [serial online] 2017 [cited 2022 May 21];14:122-3. Available from: https://www.thetrp.net/text.asp?2017/14/3/122/216205
| Patient Instructions|| |
Before administration of radioactive iodine therapy
- Take a low-iodine diet for 7–14 days before radioactive iodine (RAI) therapy to improve radioiodine uptake by the gland. A low-iodine diet is one which contains <50 mcg of iodine per day
- Discontinues antithyroid medications (propylthiouracil, carbimazole, or methimazole) should be 5–7 days before RAI therapy
- Avoid using iodized salt, seafood, seaweed and kelp, and other iodine-containing food for 7–14 days before RAI therapy
- Stop iodine-containing multivitamins and cough syrups 7–14 days before RAI therapy
- Do not use iodine-containing radiographic contrast agents 3–4 weeks before RAI therapy
- Withhold amiodarone (C25H29I2 NO3), an antiarrhythmic drug, which contains iodine 3–6 months before therapy
- Pregnancy and lactation are absolute contraindications to RAI therapy.
On the day of treatment
- Do not eat anything after 8 am
- Do not eat or drink anything 60 min after receiving RAI
- After therapy, you can directly go home. If possible, drive back home alone.
Precautions for 7 days after therapy (to reduce exposure to others)
- Flush the toilet twice after use; keep the lid down during flushing
- Males should sit down during urination to prevent contamination of the toilet
- After brushing teeth, rinse the sink with plenty of water 
- Sleep alone
- Avoid kissing and close physical contact with others
- Avoid contact with pregnant and lactating females as well as infants and children up to 12 years of age
- Do not share utensils of the patient and wash them separately
- Do not share towels, bed linen, and undergarments
- Wash clothes separately, especially if they are stained with saliva, urine, or other body secretions 
- Wipe the mouthpiece of the telephone after use using a damp wipe and dump it in a plastic bag.
Female patients should avoid pregnancy for 6–12 months after receiving I-131 therapyMale patients should not father a child for 2 months.
- Breastfeeding should be discontinued 6 weeks before RAI therapy
- Breastfeeding should not be restarted after RAI therapy
- Breastfeeding is allowed if the woman conceives after 6–12 months of therapy.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
| References|| |
Zanzonico PB. Radiation dose to patients and relatives incident to 131I therapy. Thyroid 1997;7:199-204.
Alexander EK, Larsen PR. High dose of (131) I therapy for the treatment of hyperthyroidism caused by Graves' disease. J Clin Endocrinol Metab 2002;87:1073-7.