Drug Reference

Potassium Iodide

Expectorants

← All medicines · Expectorants

OTC

Fact box

Therapeutic class
Expectorants
Habit forming
No
Availability
Over-the-counter (OTC)

Brand names

IosatLactocalSSKI brand of Potassium IodideThyroSafeThyroShieldVitafol-One

Available as

100 MG · Oral Tablet30 MG · Oral Capsule25 MG/ML · Topical Solution30 UNT · Oral Tablet20 MG/ML · Oral Solution50 MG/ML · Oral Solution50 MG/ML · Topical Solution65 MG/ML · Oral Solution130 MG · Oral Tablet1000 MG/ML · Oral Solution65 MG · Oral Tablet20 MG/ML · Topical Solution

FDA label sections are from openFDA and may not reflect the most recent labeling — confirm against the current DailyMed label.

Uses
Frontal Sinus Pain With Runny Nose, Worse At Night*
How to use / dosing
Adults and children: At the onset of symptoms, dissolve 5 pellets under the tongue 3 times a day until symptoms are relieved or as directed by a doctor.

Safety advice

Conservative summary derived from FDA labeling — defaults to “consult your doctor” unless the label is explicit. Not a substitute for your clinician’s advice.

PregnancyNo information
No specific information in the FDA label.
BreastfeedingNo information
No specific information in the FDA label. Check LactMed →
AlcoholNo information
No specific information in the FDA label.
DrivingNo information
No specific information in the FDA label.
KidneyNo information
No specific information in the FDA label.
LiverNo information
No specific information in the FDA label.
Current FDA labels (DailyMed)

20 marketed products on record (RxNorm)

Reference only — not clinical advice. Verify against current FDA labeling and consult a licensed provider. About half of pediatric drug use is off-label and is not reflected in FDA labels; absence of pediatric information does not mean a medicine is unused or unsafe in children.