Potassium iodide is indicated as a thyroid-blocking agent to prevent the uptake of radioactive iodine, for example after a nuclear accident or during a nuclear medicine investigation before administering a radioiodinated compound, which is metabolised to iodide or which contains radioiodine impurities.
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
Potassium iodide is the active ingredient of these drugs:
Potassium iodide is also found within below combination drugs:
Medicine agencies around the world have authorized marketing of this active ingredient according to these medication package inserts (MPIs):