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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Are The T3 And T4 Range For Hypothyroid?

Hello Doctor,
I'm a 26 yrs old girl and I has missed my period for 2 months (I'm not pregnant) , had a thyroid test and results were TSH 6.55 uU/ml, T3 0.75 ng/ml and T4 5.63 ug/dl. She has prescribed Thyronorm 25mcg for a month and asked me to go for the same test. What I would like to know is that, even though TSH was above the reference range, both T3 and T4 were withen the reference range. So, am I considered hypothyroid still?
posted on Fri, 14 Mar 2014
Twitter Wed, 30 Sep 2015 Answered on
Twitter Wed, 30 Sep 2015 Last reviewed on
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Diabetologist,  's  Response
Hi,

Thanks for your question.

After going through your question, I can understand your concern.

There is Subclinical hypothyroidism in your case.
(Normal T3,T4 but elevated TSH)

Subclinical hypothyroidism usually treated with thyroid supplement when there is -
- There are symptoms of hypothyroidism (Weight gain despite of decreased apatite, constipation, menstrual irregularities, infertility)
- Goiter : Thyroid gland enlargement.
- Infertility.
- Pregnancy.

Depending upon T4 & TSH level and symptoms, dose of Thyroid supplement (Thyronorm) need to be adjusted.

Hope this helps you, if so do vote as helpful.
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What Are The T3 And T4 Range For Hypothyroid?

Hi, Thanks for your question. After going through your question, I can understand your concern. There is Subclinical hypothyroidism in your case. (Normal T3,T4 but elevated TSH) Subclinical hypothyroidism usually treated with thyroid supplement when there is - - There are symptoms of hypothyroidism (Weight gain despite of decreased apatite, constipation, menstrual irregularities, infertility) - Goiter : Thyroid gland enlargement. - Infertility. - Pregnancy. Depending upon T4 & TSH level and symptoms, dose of Thyroid supplement (Thyronorm) need to be adjusted. Hope this helps you, if so do vote as helpful.