Doctor insights on:
How High Can Tsh Go
Few possibilities: These labs seem at odds, with TSH suggesting overactive thyroid and ft4 underactive thyroid. Free T4 tests can be inaccurate in some people who have interfering substances present. Another possibility is a tumor in the pituitary secreting too much TSH resulting in thyroid overactivity, and high thyroid hormone levels. This is quite rare, however. Your doctor can help sort this out. ...Read more
A little: It depends on the lab but that is just a bit elevated. Generally a lab test called free T4 is done when this borderline. If the free t 4 is low that would confirm that you are hypothyroid. When the numbers are borderline often down the road they will become frankly abnormal. If there are symptoms such as fatigue and weight gain then i would be more inclined to treat sooner then later. ...Read moreSee 1 more doctor answer
Not much: Any lab can have a temporary problems doing any test accurately. That is why an abnormal level should always be repeated to verify it. There are temporary causes for high TSH (resolving subacute thyroiditis), so that a 2nd TSH level done a few weeks after an abnormal one, could be normal. Subclinical hypothyroidism will have a high TSH with other thyroid levels normal, no symptoms. ...Read more
Same as others: The 3d generation TSH assays are best at the lowest ranges - the upper range is debatable as tsh, unlike most products in the blood is not distributed in populations in a bell curve. The upper limits of the "normal" range of 4 to 5 in assays of all generations is probably wrong. ...Read more
TSH 320: This value is very high. It means that your thyroid gland is seriously underactive. There are potentially serious consequences of underactive thyroid gland. Evaluation and correction is essential. It takes considerable time. I hope you are receiving care and are already on thyroid hormone replacement therapy. ...Read moreSee 1 more doctor answer
Fatty junk food: The same as you should avoid no matter who you are or what your thyroid level is. The food you eat won't affect your thyroid. Only taking the correct amount of brand name T4 replacement will return your thyroid lab to normal. ...Read more
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