Potassium Iodide Dosage

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Usual Adult Dose for:

Usual Pediatric Dose for:

Additional dosage information:

Usual Adult Dose for Cough

300 to 650 mg orally 3 to 4 times a day.

Usual Adult Dose for Hyperthyroidism

Oral solution: 250 mg orally 3 times a day. Give for 10 to 14 days prior to thyroid surgery.
May be given as 0.25 mL of a 1 g/mL potassium iodine solution (SSKI) or as 4 mL of 325 mg/5 mL solution. Alternatively, 2 to 6 drops of a 10% potassium iodide/5% iodine solution may be given orally 3 times a day with food.

Usual Adult Dose for Cutaneous Sporotrichosis

250 to 500 mg orally 3 times a day. Increase gradually to a maximum of 2 to 2.5 grams 3 times a day. Continue at maximum tolerated dose until the cutaneous lesions have resolved, usually 6 to 12 weeks.

Usual Adult Dose for Radiation Emergency

Pregnant or lactating women with exposure >= 5 centigrays (cGy): 130 mg orally per day.
>18 and <=40 years with exposure >= 10 centigrays (cGy): 130 mg orally per day.
>40 years with exposure >= 500 centigrays (cGy): 130 mg orally per day.

Usual Pediatric Dose for Cough

60 to 250 mg orally every 4 to 6 times a day. Maximum single dose 500 mg.

Usual Pediatric Dose for Hyperthyroidism

Oral solution: 250 mg orally 3 times a day. Give for 10 to 14 days prior to thyroid surgery.

Usual Pediatric Dose for Cutaneous Sporotrichosis

250 to 500 mg orally 3 times a day. Increase gradually to a maximum of 1.25 to 2 grams 3 times a day. Continue at maximum tolerated dose until the cutaneous lesions have resolved, usually 6 to 12 weeks.

Usual Pediatric Dose for Radiation Emergency

<=1 month with exposure >= 5 centigrays (cGy): 16 mg orally per day.
>1 month <=3 years with exposure >= 5 centigrays (cGy): 32 mg orally per day.
>3 years <= 18 years (less than 70 kg) with exposure >= 5 centigrays (cGy): 65 mg orally per day.
>13 years >= 70 kg with exposure >= 5 centigrays (cGy): 130 mg orally per day.

Renal Dose Adjustments

Potassium iodide should be used cautiously in patients with renal dysfunction. Due to impaired renal filtering of electrolytes, an increase in serum potassium can occur in patients with renal impairment.

Liver Dose Adjustments

Data not available

Dialysis

Data not available

Other Comments

Administer after meals with food or milk or dilute with a large quantity of water, fruit juice, or broth.

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