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Doctor insights on: Low T4 Thyroid

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Low TSH Borderline low T4 normal t3 (liothyronine). Thyroid uptake scan..low uptake noted w\o nodules. Radiologist said HYPOTHYROIDISM?! All other possible test norm

Low TSH Borderline low T4 normal t3 (liothyronine). Thyroid uptake scan..low uptake noted w\o nodules. Radiologist said HYPOTHYROIDISM?! All other possible test norm

Need follow-up: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, there is inconsistency in your results. Both TSH and T4 being low does not add up. You may need to repeat the lab tests, not necessarily the scan, in about 6 months to see what direction these results are going in. ...Read more

Dr. Olav Jaren
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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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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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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I had bloodwork done for my thyroid and was told my T4's were extremely low. What does that mean?

I had bloodwork done for my thyroid and was told my T4's were extremely low. What does that mean?

Hypothyroidism: Low T4 is an indication of the thyroid gland not producing enough thyroxine hormone which is necessary for overall body metabolism. Need further work up as to why your T4 is low. Will ultimately need thyroxine replacement therapy. Symptoms of fatigue , constipation, dry skin, weight gain and hair loss will continue without thyroxine replacement. ...Read more

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What is brand name T4 replacement? Is that a name brand of mmedication for low thyroid?

What is brand name T4 replacement? Is that a name brand of mmedication for low thyroid?

Yes.: When providers say brand name they are often referring to synthroid. Some folks still debate the reliability of generic levothyroxine. Personal opinion: use the one that fits you best. If you change manufacturers check a level. ...Read more

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I'd routine check of my thyroid and TSH is low but T3 (liothyronine) and T4 are in normal range.Should I be worried?What can I do to help besides the doc? Food?Supl?

I'd routine check of my thyroid and TSH is low but T3 (liothyronine) and T4 are in normal range.Should I be worried?What can I do to help besides the doc? Food?Supl?

Depends/check ups,,,: It depends on how low TSH was and where the other labs are in the normal range. If TSH was very low and the others were getting toward the elevated levels, then it'd be a good idea to talk to your doctor about steps to correct a possible hyperthyroidism issue, of not or if they were all getting toward the low side, then supplements might be needed. Regular check ups and Dr. visits help. ...Read more

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Having nausea, fatigue, dry skin, etc. Had thyroid test TSH 4.290& T4 1.15 & ferritin 5, hemoglobin 9.6, vitamin d 11. Would low dose thyroid med help?

Having nausea, fatigue, dry skin, etc. Had thyroid test TSH 4.290& T4 1.15 & ferritin 5, hemoglobin 9.6, vitamin d 11. Would low dose thyroid med help?

Anemia and vitamin: D deficiency. All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, you are deficient in iron and vitamin D and likely deficient in other nutrients as well. It is imperative that you see your doctor for a thorough evaluation. In meantime - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more

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I have thyroid problem with elevated TSH and low t4. What do you suggest?

Hypothyroid: Your situation sounds like an under active thyroid however the cause is unclear mostly permanent requiring lifelong replacement before starting this routine confirm it is not a self limited condition which is less common check with md also helped by checking tpo levels. ...Read more

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Dr. David Sneid
1,375 doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid ...Read more