Lugol's solution

Lugol's solution

Lugol's solution (pronunciation: /ˈluːɡɒl/) is a solution of iodine and potassium iodide in water, named after the French physician J.G.A. Lugol. It is a medication and disinfectant used for a number of purposes.

Etymology

The term "Lugol's solution" is derived from the name of its inventor, French physician Jean Guillaume Auguste Lugol, who first published a description of the solution in 1829.

Composition

Lugol's solution is a mixture of elemental iodine (I2) and potassium iodide (KI) in water. The iodine content is about 5% and the potassium iodide is about 10%, with the rest of the solution being water.

Uses

Lugol's solution is used in medicine for several purposes. It is used as a disinfectant, a treatment for thyroid disorders, and in the Gram stain method in microbiology. It is also used in the treatment of iodine deficiency and to protect the thyroid gland from radioactive iodine, particularly in the event of a nuclear disaster.

Related Terms

• Iodine
• Potassium iodide
• Thyroid
• Gram stain
• Iodine deficiency
• Radioactive iodine

See Also

• List of iodine compounds
• List of disinfectants

External links

• Medical encyclopedia article on Lugol's solution
• Wikipedia's article - Lugol's solution

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