Doctor insights on:
What Do Low Tsh Results Mean
Need to look at T3: 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 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
Once my TSH was 0,09 (due to too much T4 pill) my rT3 was tested, it is: 0,45 ng/ml (ref: 0,09-0,35).Could this be false result coz of the low TSH?Thx
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
With low TSH: 0, 09 (ref 0, 4000 - 4, 000) & 5, 9 fT3/rt3 rate could mean I have T3 resistance?I`m having both hypo and hyperthyroid symptoms.Thank you
Can Lamotrigine (Lamictal) affect TSH levels?
Also, what do low TSH mean (if T3 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, 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
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