Proper Use

Drug information provided by: Micromedex

This medicine usually needs to be taken for the rest of your life. Do not stop taking this medicine or change your doses without first checking with your doctor. It may take several weeks before you start to notice an improvement in your symptoms .

Dosing

The dose of this medicine 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 this medicine. 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 oral dosage form (tablet):
    • For the treatment of mild hypothyroidism:
      • Adults—At first, 25 micrograms (mcg) once a day. Doses may be increased by up to 25 mcg every 1 or 2 weeks. However, the dose usually is not more than 75 mcg once a day.
      • Children—Use and dose must be determined by your doctor .
    • For the treatment of myxedema:
      • Adults—At first, 5 mcg once a day. Doses may be increased by 5 to 10 mcg daily every 1 or 2 weeks. When the daily dose of 25 mcg is reached, dosage may be increased by 5 to 25 mcg every 1 or 2 weeks as needed. However, the dose usually is not more than 100 mcg once a day.
      • Children—Use and dose must be determined by your doctor .
    • For the treatment of congenital hypothyroidism:
      • Adults and children over 3 years of age—Use and dose must be determined by your doctor.
      • Children—At first, 5 mcg once a day. Dosage may be increased by 5 mcg every 3 or 4 days as needed.
      • Children 0 to 1 year of age—20 mcg once a day for maintenance.
      • Children 1 to 3 years of age—50 mcg once a day .
    • For the treatment of simple (non-toxic) goiter:
      • Adults—At first, 5 mcg once a day. Doses may be increased by 5 to 10 mcg daily every 1 or 2 weeks. When the daily dose of 25 mcg is reached, dosage may be increased by 12.5 to 25 mcg every 1 or 2 weeks as needed. However, the dose usually is not more than 75 mcg once a day.
      • Children—Use and dose must be determined by your doctor .

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.

Storage

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Ask your healthcare professional how you should dispose of any medicine you do not use.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.