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About potassium Iodide

POTASSIUM IODIDE protects the thyroid from radiation. It works by reducing the amount of radioactive iodine that can be absorbed by the thyroid. This decreases the risk of thyroid cancer.

Get Potassium Iodide for as low as $21.85, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.

You can save more on select medications with GoodRx Companion. See which medications are eligible.

Ways to save on potassium Iodide

These programs and tips can help make your prescription more affordable

Related conditions

Radiation Sickness

Browse medications

View All

Research prescriptions and over-the-counter medications from A to Z, compare drug prices, and start saving.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

About potassium Iodide

POTASSIUM IODIDE protects the thyroid from radiation. It works by reducing the amount of radioactive iodine that can be absorbed by the thyroid. This decreases the risk of thyroid cancer.

Get Potassium Iodide for as low as $21.85, save up to 80% off the average retail price for the most common version, by using a GoodRx coupon.

You can save more on select medications with GoodRx Companion. See which medications are eligible.