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Potassium Iodide



Potassium Iodide


(poe TASS ee um EYE oh dide)

Brand Names: US

  • iOSAT [OTC]
  • SSKI
  • ThyroSafe [OTC]

Therapeutic Category

  • Antithyroid Agent
  • Expectorant

Medication Safety Issues

Sound-alike/look-alike issues:

Potassium iodide products, including saturated solution of potassium iodide (SSKI) may be confused with potassium iodide and iodine (Strong Iodide Solution or Lugol's solution)

Other safety concerns:

Dosage volume: Dosing errors have been reported during the prescribing, dispensing, and administration of potassium iodide-containing solutions (eg, Lugol's, SSKI). Errors have occurred when mL doses were administered, when only drops were indicated for the dose. Carefully review dosage and administration information; appropriate oral dosage is most commonly expressed as drops to provide doses less than 1 mL. Dispensing unit doses is also highly recommended; pharmacists should never dispense quantities that could be lethal if consumed as a single dose. (ISMP 2011).

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