Potassium Iodide

Name: Potassium Iodide Drug Interactions
Creator: Dr. Brian Staiger, PharmD, BCPS

1 interactions

Also sold as: Iosat Iosat® SSKI brand of Potassium Iodide ThyroSafe Thyrosafe® ThyroShield Thyroshield®

About Potassium Iodide

Potassium iodide is used to protect the thyroid gland from taking in radioactive iodine that may be released during a nuclear radiation emergency. Radioactive iodine can damage the thyroid gland. You should only take potassium iodide if there is a nuclear radiation emergency and public officials tell you that you shoul… Read the full Potassium Iodide drug information page →

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jun 30, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

1 Moderate

All (1) Moderate (1)

Moderate

Potassium Iodide Lithium Carbonate Lithobid Increased hypothyroid effect Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.