Proper Use

Drug information provided by: Merative, Micromedex®


The dose medicines in this class will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of these medicines. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For selenium:
    • For oral dosage form (tablets):
      • To prevent deficiency, the amount is based on normal daily recommended intakes:
        • Adult and teenage males—40 to 70 micrograms (mcg) per day.
        • Adult and teenage females—45 to 55 mcg per day.
        • Pregnant females—65 mcg per day.
        • Breast-feeding females—75 mcg per day.
        • Children 7 to 10 years of age—30 mcg per day.
        • Children 4 to 6 years of age—20 mcg per day.
        • Children birth to 3 years of age—10 to 20 mcg per day.
          • To treat deficiency:
            • Adults, teenagers, and children—Treatment dose is determined by prescriber for each individual based on severity of deficiency.

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.


Keep out of the reach of children.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Do not refrigerate. Keep from freezing.

Do not keep outdated medicine or medicine no longer needed.