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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Cause Decrease Levothyroxine During Hypothyroidism?

I am a nurse practitioner and have a patient with hypothyroidism, recently decreased on Levothyroxine to 75 mcg/daily due to recent labs. TSH 0.034, thyroxine 9.5, T3 uptake 34.5, Free T4 3.3, T3 (thyronine) total 113, and anti-thyroglobulin 49. This pt. also has diabetes. He is c/o dry skin and hypothyroid type symptoms. ?autoimmune thyroiditis??? I work in a correctional facility.
posted on Sat, 10 May 2014
Twitter Fri, 15 Jul 2016 Answered on
Twitter Mon, 18 Jul 2016 Last reviewed on
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General & Family Physician,  's  Response
Hi welcome to HCM....

I appreciate your knowledge ...

You are case of hypothyroidism ..
So you are suspecting correct one that is autoimmune hashimoto thyroiditis ....

Along with antithyroglobulin , antimicrosomal ab will also be positive ....
FNAC can also be useful....

Let me know you , you might had not monitored your therapy by doc...
Here in report your TSH low and free t4 high ....
So dear you are developing hyperthyroid picture secondary to overcorrection of hypothyroid ...

So your dose can be reduced to 50 ug if it can maintain thyroid level within limit ...
Our aim is to maintain TSH betwwen 2 to 3 and accordingly adjust dose of levothyroxine ...

Consult your treating physician with keeping this in mind ..

Hope your concern solved. ..
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What Cause Decrease Levothyroxine During Hypothyroidism?

Hi welcome to HCM.... I appreciate your knowledge ... You are case of hypothyroidism .. So you are suspecting correct one that is autoimmune hashimoto thyroiditis .... Along with antithyroglobulin , antimicrosomal ab will also be positive .... FNAC can also be useful.... Let me know you , you might had not monitored your therapy by doc... Here in report your TSH low and free t4 high .... So dear you are developing hyperthyroid picture secondary to overcorrection of hypothyroid ... So your dose can be reduced to 50 ug if it can maintain thyroid level within limit ... Our aim is to maintain TSH betwwen 2 to 3 and accordingly adjust dose of levothyroxine ... Consult your treating physician with keeping this in mind .. Hope your concern solved. ..