Doctor insights on:
What Does Low Tsh Mean
Need to look at T3 (liothyronine): And free t4. Low tsh, depending on the sensitivity of the assay, indicates thyroid hyper-function. However, the suspected hyperthyroidism needs to be confirmed with high levels of T3 (liothyronine) and free t4. All lab tests need to be evaluated in the clinical context and it would be prudent to take up the issue with your doctor. ...Read more
Thyroid labs: Hi. See an endocrinologist. Make sure it's a free T4 (not a TOTAL T4). If you have low TSH and a low free T4, that's compatible with pituitary disease causing hypothyroidism (so called "secondary hypothyroidism"). IF you have that (not saying you do), you need to be checked for pituitary problems and other pituitary deficiencies (adrenal, most promptly); If u have secondary hypothy, CHECK ADRENALS ...Read more
Nothing usually: Borderline is still within the normal range. Ask the physician who ordered the test why he got both and what his/her interpretation is. ...Read more
What does low TSH 0.2 with normal free T4 mean? What is its treatment and does it need to be taken all life long?
Likely normal: Your TSH may be slightly low and may be normal for you. Do you have any symptoms? It is generally not a good idea to treat lab values. All lab 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. It is likely that you need no treatment, however, it would be prudent to follow your doctor's advice for follow up tests. ...Read more
Could a low TSH but normal Free T4 mean a Pituitary problem? Or would that be more indicative of the start of Hypothyroidism?
Sounds normal: Your description is consistent with normal thyroid function, but if you are concerned, you could provide exact numbers for us to review. ...Read more
With low TSH: 0, 09 (ref 0, 4000 - 4, 000) & 5, 9 fT3 (liothyronine)/rt3 rate could mean I have T3 (liothyronine) resistance? I`m having both hypo and hyperthyroid symptoms. Thank you
I am diagnosed with low TSH and normal T3 and T4 level...What does it mean? Please suggest me treatment...
T3 and T4: A low TSH should not affect your thyroid glands! If you are having a problem please see an Endocrinologist. Should not be necessary. ...Read more
Can Lamotrigine (Lamictal) affect TSH levels? Also, what do low TSH mean (if T3 (liothyronine) and T4 are normal)?
Not alot: Thyroid interaction is not common with Lamictal, however as with all medications for each individual that can be a possibility. As to your low TSH that is usually a resonse to elevated T3, (liothyronine) T4. Remember that there can be variations in your thyroid measurements from one time to another. How do you feel. Do you have thyoid symptoms: cold, tired, fatigued, skin or nail changes? ...Read more
I have hypothyrodism. Taking eltroxin 100. what does it mean to have T3 (liothyronine) and T4 in normal range while having a low TSH? 0.22
Good control!: Those figures sound swell. The normal range for both circulating thyroid hormones plus a low TSH (= Thyroid stimulating hormone) from your pituitary gland the "controller" at the base of your brain means the medication is being given in the correct dose!! Its good news! ...Read moreSee 1 more doctor answer
Does low TSH mean I have a problem with my pituitary gland? Hypopituitarism? My free T3 (liothyronine) and T4 are high normal???
Could a low TSH (.28) & normal T3 (liothyronine) & T4 levels mean a Pituitary issue? Or is that more typical of hypothyroidism? Would high Chloride (111) effect it?
Means pituitary is: A TSH of 0.28 with normal free T4 and free T3 (liothyronine) likely means the pituitary is working properly. A TSH of 0.1-0.4 is lower than the reference range, which means about 2.5% of normal people have a TSH or 0.1-0.4. Thus, one hopes she is normal. Her endocrinologist can follow and recheck her levels in 4-6 weeks to confirm that her levels are stable (TSH not dropping lower; T4 or T3 (liothyronine) not above normal). ...Read moreSee 1 more doctor answer
I'm complement deficient. What does this mean? Low C3 and c4. joint pain, low back pain, rashes, anisocoria, low tsh, fatigue etc and it's not lupus
Likely secondary: You probably has an autoimmune condition which is consuming the complements thus accounting for the low levels. Have you seen a rheumatologist? If so, you need to rush to find one. ...Read more
Unlikely but...: Rhodiola is known to improve thyroid function and thus might be expected to reduce TSH levels somewhat (though more research on this is needed). However, a low TSH tends to be a sign of hyperthyroidism and, as far as I know, rhodiola is not known to stimulate the thyroid to the point of hyperthyroidism. ...Read moreSee 1 more doctor answer
Low TSH unlikely: Thyroid cancer usually does not cause a low TSH (unless you are taking thyroid hormone). Most thyroid cancers do not function as well as normal thyroid tissue. Elevated thyroglobulin is a nonspecific finding, seen in most disorders of the thyroid. It can serve as a tumor marker for recurrent thyroid cancer as long as the thyroid has been completely removed. High tg has nothing to do with tsh. ...Read more
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