Potassium Iodide tablets

Q. Why are potassium iodide tablets used during emergencies involving radiation exposure?
A. Potassium iodide tablets may be recommended to individuals who are at risk for radiation exposure or have been exposed to excessive radiation to block the body’s absorption of radioactive iodine. Using potassium iodide when inappropriate could have potential serious side effects such as abnormal heart rhythms, nausea, vomiting, electrolyte abnormalities and bleeding.

Q. Should I be taking potassium iodide to protect myself?
A. No. Potassium iodide tablets are not recommended at this time, and can present a danger to people with allergies to iodine, shellfish or who have thyroid problems.
Q. Should I purchase potassium iodide as a precaution?
A. No. Potassium iodide is only appropriate within a very close proximity to a nuclear event. Using potassium iodide when inappropriate could have potential serious side effects such as abnormal heart rhythms, nausea, vomiting, electrolyte abnormalities and bleeding.