Drug Reference

Potassium Sulfate

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OTC

Fact box

Habit forming
No
Availability
Over-the-counter (OTC)

Available as

0.0277 MEQ/ML · Oral Solution

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

Uses
INDICATIONS Menstruation, skin disorders, sinus inflammation.
How to use / dosing
SUGGESTED DOSAGE One dropper under tongue two times daily. Acute symptoms ½ dropper under tongue every 30 minutes for two hours.

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.

PregnancyConsult your doctor
…If pregnant or breastfeeding, ask a healthcare professional before use.…
BreastfeedingConsult your doctor
…If pregnant or breastfeeding, ask a healthcare professional before use.…
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.
Warnings & precautions
Warnings Use only if cap seal is unbroken. If pregnant or breastfeeding, ask a healthcare professional before use. Keep this and all medication out of the reach of children.
Current FDA labels (DailyMed)

1 marketed product 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.