Doctor insights on:
Triiodothyronine T3 And Thyroxine T4
Does normal (1.01) "thyroxine (t4) free, direct, s, " normal (0.931) "tsh, " and low (67) "triiodothyronine (t3)" = Synthroid dose good? Or go up/down?
On syn. 50 mcg labs are: TSH 4.45; rt3 23.3; T4 10.4; t3uptake 30; free T3 3.1; triiodothyronine T3 121. Increase synthroid? Don't sleep, fast heart.
Tsh=2.11/t3 uptake=30.3/free t3=3.3/thyroxine=9.2/triiodothyronine=102.4/ everything is normal. Why do I still feel extremely tired and irritable?
Can any doc tell me what's the difference between thyroxine, thyrocalcitonin and triiodothyronine?
Yes: Thyroxine also known as T4 is the main product of the thyroid gland. Triiodothyronine or t3 is also a product of the thyroid but most of it comes from the conversion of T4 in the human tissues by the enzyme deiodinase. T3 is the active and most potent form of thyroid hormone. Thyrocalcitonin or just calcitonin is unrelated to the above two, comes from the c-cells, and affects the calcium level. ...Read more
Triiodothyronine : 0.76 ng/ml; thyroxine : 5.27 ; thyroid stimulating hormone : 1.15. Is this normal?
Probably: In interpreting thyroid hormone levels, you have to consider several things: What is the clinical situation at the time of the lab draw- as stress, medications, even pregnancy can all effect the levels and what they should be. Every lab also has a slightly different 'normal' range depending on how they measure the hormone. Seeing the trend also helps - Are they stable, going up or down? ...Read moreSee 1 more doctor answer
My wife's free t3&t4 in normal range but her ths is low, it's 0.04. She've been taking thyroxine sodium 175mg for the past 6 months any recomandation?
TSH: She may be subclinical hyperthyroid. Does she have symptoms of hyperthyroidism?Anxiety, increased heart rate, insomnia? Make sure she gets her thyroid panel checked again. Depending on the results and her symptoms, her physician make readjust the strength down. It takes time to get individuals level. ...Read more
My TSH is 9.75, T3 is 2.10 and T4 is 0.73. I am taking 50 mg Thyroxine everyday. Is this enough or should i increase my dose?
Need more: TSH is still high. If you have been on same dosage for more than 6 weeks, you should talk to your primary. If dosage has been adjusted recently, you need to give it time for TSH to come down. Typically takes four to six weeks. You can also request a consult on health tap for a charge. ...Read moreSee 1 more doctor answer
It varies.: Tsh of 14 suggests mild-moderate thyroid deficiency. Many doctors use a weight-based formula to calculate a good starting dose. Others start with a low dose and increase it until the TSH is in the target range. Either way, it is common to need 2-3 dose adjustments to find the dose just right for you. ...Read more
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