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For adults and teenagers, the usual starting dose of levothyroxine tablets is 0.0125 mg (12.5 micrograms) to0.05 mg (50 micrograms) per day. The physician who prescribes the medicine may gradually increase the dose over time.
For children, the dose depends on body weight and must be determined by a physician.
Taking thyroid hormones exactly as directed is very important. The physician who prescribes the medicine will figure out exactly how much of the medicine a patient needs. Taking too much or too little can make the thyroid gland overactive or underactive.
This medicine should be taken at the same time every day.
— Nancy Ross-Flanigan
