A 50-year-old female asked:
i find a big difference since i changed from synthroid (thyroxine) to eltroxin... big weight gain, tired all the time etc.! dr says they both do the exact same?
1 doctor answer
Dr. David Sneid answered
41 years experience Endocrinology
Reformulated: Eltroxin has been reformulated and may not have the same potency it did before. You should never change brands of thyroid replacement without getting your levels carefully checked 6 and 12 weeks after changing.
Answered on Aug 1, 2018
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