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Potassium Iodide

Potassium Iodide Dosage

Allison Gourley, PharmDKristianne Hannemann, PharmD
Reviewed by Allison Gourley, PharmD, Kristianne Hannemann, PharmD
Last reviewed on December 5, 2024

The average cost for 1 bottle of 30ml of 65mg/ml of Potassium Iodide is $26.03 with a free GoodRx coupon.

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Dosage

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30ml of 65mg/ml

1 bottle

$26.03

$26.03

Typical dosage for Potassium Iodide

The dose depends on your age and the recommendations of public health officials or your prescriber. Each tablet and each mL of the oral solution contain 65 mg of potassium iodide.

During a nuclear radiation emergency, adults 18 years and older should take 130 mg by mouth once daily or as instructed by public health officials.

The FDA has recommended additional information on the dosing for other age groups.

  • Newborns from birth to 1 month: Take 16 mg (¼ of a 65 mg tablet or 0.25 mL solution) by mouth once daily.
  • Infants and children over 1 month to 3 years: Take 32 mg (½ of a 65 mg tablet or 0.5 mL solution) by mouth once daily.
  • Children and teenagers over 3 years to 18 years:
    • Weighing 150 lbs or less: Take 65 mg by mouth once daily.
    • Weighing more than 150 lbs: Take 130 mg by mouth once daily.
  • People who are breastfeeding or pregnant: Take the adult dose of 130 mg once daily, but contact your healthcare professional for more instructions.
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