Potassium Iodide has 7 known drug interactions based on U.S. FDA drug labeling data. 3 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Angiotensin Ii, Lithium, Potassium Supplements. Patients taking Potassium Iodide should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.
- Total
- 7
- Major
- 3
- Moderate
- 2
Major (3)
- Potassium Iodide + Angiotensin Ii— Concurrent use may result in hyperkalemia and cardiac arrhythmias or cardiac arrest.
- Potassium Iodide + Lithium— Concurrent use may potentiate hypothyroid and goitrogenic effects.
- Potassium Iodide + Potassium Supplements— Concurrent use may result in hyperkalemia and cardiac arrhythmias or cardiac arrest.
Moderate (2)
- Potassium Iodide + Lithium Carbonate— Concomitant extended use with lithium may produce hypothyroidism.
- Potassium Iodide + Sodium Iodide I 131— Interferes with accumulation of radioiodide by the thyroid; discontinue 3 weeks before procedure.