As we have seen from our overview of normal thyroid physiology, the thyroid gland produces T4 and T3. But this production is not possible without stimulation from the pituitary gland (TSH) which in turn is also regulated by the hypothalamus's TSH Releasing Hormone.
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www.endocrineweb.com/tests.html
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Thyroid - Wikipedia, the free encyclopedia
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The thyroid is one of the largest endocrine glands in the body. This gland is found in the neck inferior to (below) the thyroid cartilage (also known as the Adam's apple in men) and at approximately...
en.wikipedia.org/wiki/Thyroid
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The Medscape Journal ... Allergy & Clinical Immunology ... Diabetes & Endocrinology...
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www.medscape.com/medline/abstract/6893079
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BACKGROUND: Clinicians may not consider using the thyroid hormone liothyronine sodium (levorotary isomer of triiodothyronine [T3]) for augmentation of antidepressant drugs in depressed patients who are also receiving the precursor hormone levothyroxine (levorotary isomer of thyroxine [T4]) for thyroid disease.
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www.medscape.com/medline/abstract/1737734
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It's a huge controversy in the thyroid world whether thyroid hormone replacement should consist of just T4 (i.e., a levothyroxine drug like Synthroid) or whether patients actually need both T4 AND T3, i.e., triiodothyronine (Cytomel), compounded T3, or desiccated thyroid like Armour thyroid. ... Combined T4/T3 Therapy:
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thyroid.about.com/od/t3treatment/T3_Vs_T4_T3_Treatment_...
thyroid.about.com/od/t3treatment/T3_Vs_T4_T3_Treatment_Controversy.htm
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More Health Issues; a section of DrMirkin.com ... If you are tired much of the time, your doctor will order blood tests for the two thyroid hormones called T3 and T4 and for the brain hormones called TSH and prolactin.
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www.drmirkin.com/morehealth/G171.htm
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My understanding is that Hashimoto's is diesease that over a period of time will destroy my thyroid. ... I dont know the exact levels for T4 and T3, but always ask for a copy of your results. There should be ranges listed and your number and this will tell you if you are in the range or not. It sounds like your talking about...
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www.medhelp.org/forums/Thyroid/messages/209.html
www.medhelp.org/forums/Thyroid/messages/209.html
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OB asked what endo's explanation was for my TSH to be abnormal but for T3 & T4 to be w/in range. I told him I didn't know, that I'd ask her at my next appt. OB is not concerned w/ any negative effects on baby since T3 & T4 are doing so well. ... Thyroid (Expert Forum)
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www.medhelp.org/posts/show/306795
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T3 introduction: The addition of T3 often helps with many hypothyroidism symptoms that may not disappear with supplemental T4 only. ... There, now you know why the name is usually shortened to T3. T4 (thyroxine) and T3 are the main thyroid hormones. T3 is five to eight times as strong as T4 (taking into consideration that it...
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www.altsupportthyroid.org/t3.php
www.altsupportthyroid.org/t3.php
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