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You should take a different amount of potassium iodide based on your age and weight. There’s a liquid form, a 65-milligram pill, and a 130-milligram pill. For kids and babies that can’t take pills, you can crush or cut pills to create smaller doses. Or you can give them a liquid form of potassium iodide.
Protocol - NHS England
Because of this, it’s important to give children, especially newborns, potassium iodide during an emergency. As a result, your thyroid will not be able to absorb any type of iodine for the next 24 hours. Excess iodine, either nonradioactive or radioactive, will leave your body via your urine. This can help reduce the risk of thyroid cancer due to radioactive iodine. Potassium salts should be given cautiously to patients with renal or adrenal insufficiency, acute dehydration or heat cramp. Hyperthyroidism, iodine induced autoimmunity (Grave's and Hashimoto type), toxic nodular goitre and iodine-induced hypothyroidism have been reported as side effects of iodine therapy. When you take potassium iodide, your thyroid becomes saturated with nonradioactive iodine. This causes your thyroid to “fill up.”Source: https://www.fda.gov/drugs/bioterrorism-and-drug-preparedness/frequently-asked-questions-potassium-iodide-ki
Potassium Iodide for Nuclear Radiation What to Know About Potassium Iodide for Nuclear Radiation
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https://www.fda.gov/drugs/bioterrorism-and-drug-preparedness/frequently-asked-questions-potassium-iodide-ki Q & A: Information about Public Health Issues Related to Polonium-210 Contamination in the United Kingdom Adults over 40 years old have a much lower risk of developing thyroid cancer and are more likely to have health conditions, like problems with their thyroids, that increase their risks for harmful health effects from KI. However, officials or healthcare providers may instruct adults over 40 to consume KI if the predicted exposure is high enough to cause hypothyroidism. You’ll take potassium iodide before or right after you’re exposed to radioactive iodine. You could also take it 3 to 4 hours after, but it won’t be as effective.
Protocols – Potassium iodate and potassium iodide - NHS England
An overactive thyroid gland, thyroiditis, and an enlarged thyroid gland with or without development or myxoedema have also been reported. In cases of exposure to radioiodine from nuclear accidents, dosing of potassium iodide should be based on emergency plans and predetermined operational intervention levels. Risk benefit of administration of stable radioiodine should be considered for the different age groups at risk. Pregnant and lactating women, neonates, infants and children should be treated first. A single dose of potassium iodide gives adequate protection for one day. Prolonged exposure may require repeat dosing, however repeat dosing in the neonate, and in pregnant and lactating women should be avoided (see section 4.2). Iodine prophylaxis is used against inhaled radioiodine and should not be the main prophylaxis for ingested contamination. Iodine is actively transported into breast milk, however those breast feeding should continue to do so (see section 5.2). Lactating women should avoid repeat doses (see section 4.2). Only take potassium iodide if state or local health authorities suggest you do so. During an emergency, health officials will send out an announcement. Your health department will then tell you when it’s OK to take potassium iodide. They’ll also tell you when you can stop the medication.
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Prophylactic administration of iodide to the pregnant mother should also be effective for the foetus. You also don’t need a massive amount of these in bulk. At the very most, you will be taking 14 doses and you’ll know when you need them. Radiation-preventative iodine doses are not meant to be taken speculatively, and can even cause more harm than good if you take too many high-dose iodine tablets. Care should be exercised if potassium salts are given concomitantly with potassium-sparing diuretics, as hyperkalaemia may result (see section 4.5). Potassium iodide should not be given when radioiodine is being administered for the purpose of diagnostic imaging or treatment of the thyroid gland. The potential benefit of iodine prophylaxis is greatest in the young. The thyroid of the foetus, neonate and young infant has a higher yearly thyroid cancer risk per unit dose of radioactive iodine than the thyroid of an adult.
Potassium Iodide (KI) | Radiation Emergencies | NCEH | CDC Potassium Iodide (KI) | Radiation Emergencies | NCEH | CDC
People who are pregnant or breastfeeding. It’s also crucial that pregnant and breastfeeding individuals take the proper dose of potassium iodide to protect themselves and their baby. Tablets in two strengths, 130 milligram (mg) and 65 mg (The tablets may be cut into smaller pieces for lower doses.) To go along with iodine tablets, you’ll need other radiation protection and detection tools. We suggest looking into:
potassium iodide
The Food and Drug Administration (FDA) released guidance in December 2001 on how to safely use potassium iodide. In pill or liquid form, it can help protect you during a nuclear radiation emergency. How Does Potassium Iodide Work? If you’re in an area that’s had a radiation emergency, the most effective option is evacuation. But potassium iodide can act as an extra measure to keep you safe.