A member asked:

What might explain steady drop in tsh levels when someone is consistently taking 75mcg of synthroid (thyroxine)?

A doctor has provided 1 answer
Dr. Charles Gordon answered

Specializes in Adolescent Medicine

How you take it: The absorption of thyroid hormone is strongly affected by when you take it with respect to the food you eat. If the time varies the absorption varies significantly. Since the TSH varies with a significant inverse correlation with the amount of thyroid hormone in your blood, you had better think about absorption issues. Also, if you are switching back and forth between generic and brand that may be

Answered 10/9/2017

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