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Synthetic Synthroid

I've been taking Synthroid for many years. Two months ago when I went to pick up my prescription the pharmacy asked, "is synthetic OK?" and I said "I guess so." Just this weekend I realized that that might be the cause of my increasing tiredness and geneal malaise -- is this possible?
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I meant to say generic instead of synthetic -- thanks for the information.
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213044 tn?1236527460
Look at your perscription.
Is it Synthroid, or is it Levothyroxine?

They are both synthetic. Synthroid is a brand name. Levothyroxine is the generic form of the same drug.

You should not accept a generic if your perscription is for Synthroid. The generic contains different inert ingredients, and the strength of the generic is not as uniform as the brand name.
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