Levothyroxine (Injection Route)

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Proper Use

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 injection form:
  • For the treatment of hypothyroidism:
    • Adults and teenagers—50 to 100 micrograms (mcg) injected into a muscle or into a vein once a day. People with very serious conditions caused by too little thyroid hormone may need higher doses.
    • Children—The dose is based on body weight and must be determined by your doctor .

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