Potassium iodide is white translucent hexagonal crystal or white granular powder. It is odorless, salty and bitter, slightly hygroscopic, and decomposes into free iodine yellow and brown yellow when exposed to light. Do not take orally after discoloration.
For the prevention and treatment of endemic goiter. Iodine is an important raw material for thyroxine synthesis. If the food is short of iodine for a long time or the body needs more iodine, the synthesis of thyroid hormone will be insufficient and the goiter will be caused. This product can also promote the absorption of turbid vitreous body, stimulate the increase of respiratory secretions, and make sputum diluted and easy to cough up. It can also be used to remove phlegm.