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Doctor insights on: Thyroid T4 Level

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Dr. Arthur Balin
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more


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Just had a blood test that showed Thyroid level: T4 1.9 TSH 0.07. Have appt. with endo in 3 weeks am very worried. What does this mean? Graves disease

Just had a blood test that showed Thyroid level: T4 1.9 TSH 0.07. Have appt. with endo in 3 weeks am very worried. What does this mean? Graves disease

Hyperthyroid: It appears that your FT4 is high, and TSH low, which indicates hyperthyroidism. And it appears you have symptoms (palpitations? sweating? tremor?). Graves disease is the most likely cause. Don't worry. This can be controlled and treated, usually starting with medications (eg. methimazole, b-blocker) and then you should discuss radioactive iodine with your endocrinologist. ...Read more

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I have hashimito's thyroidism, hypothyroidism, what foods should I avoid? Am taking T4 50mg during the week, T4 75mg at weekends. Thank you.

I have hashimito's thyroidism, hypothyroidism, what foods should I avoid? Am taking T4 50mg during the week, T4 75mg at weekends. Thank you.

Coffee with pills: Coffee decreases the absorption of T4, so don't drink coffee when you are taking your medicine. Otherwise, no dietary restrictions ...Read more

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We have case , femal patien , age 60 years, the TSH less than 0.05 while T4 in normal range , and she has not any symptom of thyroidism , is it ok ?

Subclinical hyperthy: A low TSH with a normal T4 and no symptoms is usually subclinical hyperthyroidism. She may have a multinodular goiter that is autonomously functioning, or very early graves disease. A T3 (liothyronine) level and free T4 level should be checked. There is a higher risk of developing atrial fibrillation despite the normal T4 level, but many endocrinologists would just follow her levels for progression. ...Read more

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If my tsh low, t3 (liothyronine) and t4 is normal, is it hypo or hyper thyroidism? Should I take iodine? Ultra sound is normal, without pathology.

If my tsh low, t3 (liothyronine) and t4 is normal, is it hypo or hyper thyroidism? Should I take iodine? Ultra sound is normal, without pathology.

Hypothyroid: The answer to this question depends on what your exact levels are and what type of symptoms you have. "Subclinical Hypothyroidsim" sometimes presents in the manner you describe. ...Read more

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Which levels of TSH and T4 indicate a thyroid problem?

Which levels of TSH and T4 indicate a thyroid problem?

Tsh less<o.4&>4.0T4&: Tsh level less than 0.4 or more than 4.0 t4 level less than4.5 and more than 11.2microgrms. ...Read more

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Are thyroid levels normal TSH .278 T4 .9 T3 (liothyronine) 72?

The tsh: is low and should be repeated along with a free t4. The other two tests (T4 and t3) are not useful. Discuss with your doctor. ...Read more

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What is normal level of TSH and t4? What is more dangerous between the two?Which indicates thyroid level?

What is normal level of TSH and t4? What is more dangerous  between the two?Which indicates thyroid level?

They are: Evaluated together. When one goes up the other responds to go down in the normal state. Neither is "more " or less "dangerous". Units used are determined by the lab that performs the test. ...Read more

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Dr. David Sneid
1,375 doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid ...Read more