Iodine is inactivated by sodium thiosulfate.
Pharmaceutically incompatible with essential oils, solutions of ammonia, hydrogen peroxide.
In case of getting the drug inside, the effect of drugs suppressing the function of the thyroid gland can decrease.
The drug "Lugol solution with glycerin" can enhance the irritating effect of certain drugs, for example, acetylsalicylic acid, on the mucous membrane of the stomach.