<unk>  is a chemical compound, medication, and dietary supplement. As a medication it is used to treat hyperthyroidism, in radiation emergencies, and to protect the thyroid gland when certain types of radiopharmaceuticals are used. In the developing world it is also used to treat skin sporotrichosis and phycomycosis. As a supplement it is used in those who have low intake of<unk>  in the diet. It is administered orally. Common side effects include vomiting, diarrhea, abdominal pain, rash, and swelling of the salivary glands. Other side effects include allergic reactions, headache, goitre, and depression. While use during pregnancy may harm the baby, its use is still recommended in radiation emergencies.<unk>  has the chemical formula<unk> . Commercially it is made by mixing<unk>  hydroxide with<unk> .<unk>  has been used medically since at least 1820. It is on the World Health Organization's List of Essential Medicines.<unk>  is available as a generic medication and over the counter.<unk>  is also used for the iodization of salt.
Potassium iodide
Sodium fluoride
Potassium fluoride
Lugol's iodine
Sodium benzoate
Amine fluoride
Silver diammine fluoride
Perchloryl fluoride