iOSAT: Potassium Iodide for Thyroid Blocking in a Radiation Emergency
Certain forms of iodine help your thyroid gland work right. Most people get the iodine they need from foods like iodized salt or fish. The thyroid can "store" or hold only a certain amount of iodine. In a radiation emergency, radioactive iodine may be up in the air. This material may be breathed or swallowed. It may enter the thyroid gland and damage it. The damage would probably not show itself for years. Children are most likely to have thyroid damage. If you take potassium iodide, it will fill up your thyroid gland. This reduces the chance that harmful radioactive iodine will enter the thyroid gland.
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Use only as directed by State or local public health authorities in the event of a radiation emergency.
Adults and Children 1 Year of Age or Older: One tablet once a day. Crush for small children.
Babies Under 1 Year of Age: One-half (1/2) tablet once a day. Crush first.
Take for 10 days unless directed otherwise by state or local public health authorities.
Store at controlled room temperature between 15° and 30°C (59° and 86° F). Keep package dry and foil packets intact.