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is levothyroxine t3 or t4

A 45-year-old female asked:
Dr. Philip Miller
46 years experience Family Medicine
Dosage adjustment: Usually, most cases of hypothyroidism are treated with increasing doses of l-thyroxin until all levels of T3 (liothyronine). T4 and TSH are normalized ... Read More

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A 25-year-old male asked:
Dr. Thomas Knecht
30 years experience Endocrinology
What is the question: Hi. Your thyroid function is normal on your dose of l-thyroxine (assuming you're equilibrated on your dose). What did you want to ask about? Good luck ... Read More
A 34-year-old female asked:
Dr. Sumana Gangi
23 years experience Endocrinology
Hashimotoes: Get your thyroid antibodies checked..If high benefit from treatment.
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A 66-year-old male asked:
Dr. Ann Agnew
Dr. Ann Agnew answered
Specializes in Internal Medicine
Check TSH: The most useful test to follow thyroid replacement is a TSH. If your hormone replacement is not adequate your TSH will be elevated. The TSH responds ... Read More
A 53-year-old female asked:
Dr. James Burns
36 years experience Emergency Medicine
If your lab: Is using ng/dl then yes all is well.
A 30-year-old member asked:
Dr. Randall Bock
Specializes in General Practice
Low TSH hyperthyroid: The low TSH did not cause hyperthyroidism, but is evidence of hyperthyroidism. In consultation with your doctor, the cost for the hyperthyroidism shou ... Read More
A 27-year-old male asked:
Dr. Aaron Ament
57 years experience Psychiatry
Ask Dr: I would want to see t3, (liothyronine) t4, and TSH - and compare the results with the clinical picture. A dr needs all of this (and more) to be accura ... Read More
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A female asked:
Dr. Dean Giannone
24 years experience Internal Medicine
Graves Disease?: These numbers in and of themselves do not indicate Graves' disease.
A 42-year-old female asked:
Dr. Thomas Knecht
30 years experience Endocrinology
Felling bad: Hi. There is a tendency among patients to blame every ailment on the poor little thyroid. Your thyroid labs are a little inconsistent - you say free ... Read More
A 29-year-old female asked:
Dr. Paul Kaplowitz
44 years experience Pediatric Endocrinology
No problem: Your T4 and T3 (liothyronine) are normal and your TSH is at the high end of normal which will not cause any symptoms and does not require any follow-u ... Read More
A 20-year-old male asked:
Dr. Gurmukh Singh
48 years experience Pathology
Normal: 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. ... Read More
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A 59-year-old female asked:
Dr. Randy Baker
39 years experience Holistic Medicine
Yes, but des. has T3 (liothyronine): T4 is the same exact chemical whether it is from dessicated or synthetic thyroid. However, dessicated thyroid also has the T3 (liothyronine) form of t ... Read More
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A 29-year-old male asked:
Dr. Gurmukh Singh
48 years experience Pathology
Not likely: Hyperthyroidism, not hypothyroidism may cause excessive sweating.
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A 59-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
Yes: 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. ... Read More
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1 thank
A 47-year-old female asked:
Dr. David Sneid
40 years experience Endocrinology
Blood tests: Will indicate if your levels are normal after 6 weeks of taking these preparations on a daily basis. Your physician can adjust the dose up or down if ... Read More
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1 thank
A 65-year-old female asked:
Dr. David Sneid
40 years experience Endocrinology
Not good or bad: But if confirmed by repeat these values indicate early hypothyroidism that should be treated with brand name T4 replacement until the levels are norma ... Read More
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A member asked:
Dr. Quang Nguyen
Specializes in Endocrinology
No: Make sure you are not taking the med with calcium, iron or a multivitamin. After a total thyroidectomy you should be on a full replacement dose and do ... Read More
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A 54-year-old female asked:
Dr. William Belk
Specializes in Family Medicine
Levothyroxine: An elevated TSH indicates hypothyroidism. Not sure what me/cfs means. Treatment of hypothyroidism is levothyroxine. In the US the best preparation is ... Read More
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A 40-year-old female asked:
Dr. Su Fairchild
23 years experience Integrative Medicine
Adrenal fatigue: You may be hypothyroid. You may also have adrenal fatigue with high cortisol in the evening which can interfere with sleep. Your vit d level could be ... Read More
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A 39-year-old member asked:
Dr. Vered Lewy-Weiss
27 years experience Pediatrics
Thyroid Tests: Tsh is slightly elevated. I don't know which units of measure the thyroid hormones were tested. Generally, a total T4 isn't as helpful as free t4. A ... Read More
A 46-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
Normal: Your thyroid function tests are in the normal range. See this site for more details. http://www.endocrine.niddk.nih.gov/pubs/thyroidtests/.
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A 27-year-old male asked:
Dr. Ankush Bansal
16 years experience Internal Medicine
Yes: The total t3 (liothyronine) and T4 levels are the "active forms" of t3 (liothyronine) and t4. These hormones are protein-bound. So, for example, if yo ... Read More
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A 56-year-old female asked:
Dr. Gurmukh Singh
48 years experience Pathology
Improper question: The laboratory data you provided does not appropriate for diagnosing hypertension. If you meant hyperthyroidism, you are not hyperthyroid.
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A 31-year-old female asked:
Dr. Ronald Krauser
51 years experience Rheumatology
Thyroiditis: This likely an acute thyroiditis. Speak with your doctor about treatment options.

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