Lugol'S Iodine

Lugol'S Iodine is a solution of potassium iodide with iodine in water.

The above uses and effects are consequences of the fact that the solution is a source of effectively free elemental iodine, which is readily generated from the equilibrium between elemental iodine molecules and polyiodide ions in the solution.

Side effects may include allergic reactions, headache, vomiting, and conjunctivitis.Long term use may result in trouble sleeping and depression.It should not typically be used during pregnancy or breastfeeding.