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BRIEF COMMUNICATION
Year : 2017  |  Volume : 14  |  Issue : 3  |  Page : 122-123

Patients' instuction list for radioactive iodine I-131 treatment (for hyperthyroidism management)


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 Publication9-Oct-2017

Correspondence Address:
Rashmi Aggarwal
Department of Thyroid and Endocrine Research, Institute of Nuclear Medicine and Allied Sciences, DRDO, Ministry of Defence, New Delhi - 110 054
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/trp.trp_13_17

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  Abstract 

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 2020 Jun 7];14:122-3. Available from: http://www.thetrp.net/text.asp?2017/14/3/122/216205


  Patient Instructions Top


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 [1]
  • 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 [2]
  • Wipe the mouthpiece of the telephone after use using a damp wipe and dump it in a plastic bag.


Long-term precautions

  • Female patients should avoid pregnancy for 6–12 months after receiving I-131 therapy
  • Male patients should not father a child for 2 months.


  • Breastfeeding

    • 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

    Nil.

    Conflicts of interest

    There are no conflicts of interest.

     
      References Top

    1.
    Zanzonico PB. Radiation dose to patients and relatives incident to 131I therapy. Thyroid 1997;7:199-204.  Back to cited text no. 1
        
    2.
    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.  Back to cited text no. 2
        




     

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