Iodine / Potassium Iodide Side Effects
Medically reviewed by Drugs.com. Last updated on Mar 1, 2025.
Applies to iodine / potassium iodide: oral capsule.
Other dosage forms:
Important warnings
This medicine can cause some serious health issues
Follow all directions on the product label and package.
Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.
Call your doctor if you have swelling in your neck or throat or have stomach pain, nausea, vomiting, or diarrhea. These could be signs that you are using too much iodine and potassium iodide.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
See also:
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Iodotope
Iodotope is used for diagnosis and investigation, hyperthyroidism, thyroid cancer
Potassium iodide
Potassium iodide systemic is used for cough, cutaneous sporotrichosis, hyperthyroidism, radiation ...
Propylthiouracil
Propylthiouracil systemic is used for alcoholic liver damage, hyperthyroidism, thyroid storm
More about iodine / potassium iodide
Patient resources
- Iodine and potassium iodide capsule drug information
- Iodine and potassium iodide solution
- Iodine and potassium iodide (strong iodine) (Advanced Reading)
Other brands
Related treatment guides
Further information
Iodine/potassium iodide side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.