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Sodium Iodide I-131 Diagnostic capsules

Sodium Iodide I-131 Diagnostic capsules

What are Sodium Iodide I-131 diagnostic capsules?

SODIUM IODIDE I-131 is a drug that gives off radiation. It is trapped by thyroid in the body. The radiation is measured using a special camera. This medicine is used to check how well your thyroid gland is working. It is also used to find thyroid cancer spots that may have spread.


What should my health care professional know before I receive Sodium Iodide I-131?

They need to know if you have any of these conditions:

  • dehydration

  • heart disease

  • kidney disease

  • an unusual reaction to Sodium Iodide I-131, other medicines, iodine, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding


How should this medicine be used?

This medicine is taken by mouth in a hospital or clinic. Follow your doctor's directions carefully.

Contact your pediatrician or health care professional regarding the use of this medicine in children. Special care may be needed.


What if I miss a dose?

This does not apply.


What drug(s) may interact with Sodium Iodide I-131?

  • amiodarone

  • contrast agents used in some procedures

  • foods, medicines, or supplements that contain iodide or iodine

  • other thyroid medicines like levothyroxine, liothyronine, methimazole, propylthiouracil (PTU), potassium iodide (Lugol's solution, SSKI)

  • povidone-iodine solution that is used on the skin

  • some medicines for cold or allergies

Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.


What should I watch for while taking Sodium Iodide I-131?

You will need to have extra fluids before and after the procedure. You may be asked to follow a low-iodine diet or change your other medicines. Follow all instructions carefully.


What side effects may I notice from receiving Sodium Iodide I-131?

Side effects that you should report to your prescriber or health care professional as soon as possible:

  • allergic reactions like skin rash or itching, hives, swelling of the lips, mouth, tongue, or throat

  • chest pain

  • fast or irregular heartbeat

  • trouble breathing

Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):

  • nausea or vomiting

  • upset stomach


Where can I keep my medicine?

This does not apply. You will only receive this medicine in a hospital or clinic.



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