Potassium iodide
Looking up MedlinePlus…
From MedlinePlus, U.S. National Library of Medicine
Dosing in kidney impairment
This label has no separate kidney-impairment dosing section. Check warnings and clinical pharmacology in the full label.
Preparation and administration
Dosage and Administration Adults– 0.3 mL (300 mg) or 0.6 mL (600 mg) diluted in one glassful of water, fruit juice or milk 3 to 4 times daily. To minimize gastric irritation, take with food or milk. This medication should be used no longer than necessary to produce the desired effect.
Drug interactions
Check potassium iodide against a medication listLabel text (1 paragraph)
Drug Interactions: Concurrent use with lithium or antithyroid drugs may potentiate the hypothyroid and goitrogenic effects of these medications. Concurrent use with potassium-containing medications, potassium-sparing diuretics and angiotensin-converting enzyme inhibitors (ACE inhibitors) may result in hyperkalemia and cardiac arrhythmias or cardiac arrest.
Contraindications
Contraindications Contraindicated in patients with a known sensitivity to iodides.
Safety data
Reported adverse events (FAERS)
Liver injury (LiverTox)
LiverTox has no chapter for potassium iodide. Check the label's hepatic warnings.
Pregnancy and lactation
Pregnancy
Pregnancy: see "Warnings" section.
Lactation
Nursing Mothers: Potassium iodide is excreted in breast milk. Use by nursing mothers may cause skin rash and thyroid suppression in the infant.
For breastfeeding, also see LactMed (National Library of Medicine), which summarizes milk levels and infant effects.
Supply and cost
Drug shortage status
Recalls (last 24 months)
Therapeutic equivalence (Orange Book)
Price ladder
Not the price at the counterThese are not what a patient pays at the pharmacy counter. They are what pharmacies, health plans, and government buyers pay, before manufacturer rebates. A patient's cost depends on their insurance (copay, coinsurance, or deductible) or the pharmacy's cash price.