Aa
tsh result
i had a reading of 4.56 on tsh is this really low
Your thyroid stimulating hormone (TSH) is like a thermostat to your thyroid. When your thyroid is sluggish, the TSH number will rise, stimulating the thyroid so that it will hopefully start emitting more of it's own hormones. Your number of your TSH is high according to the range recommended by the American Association of Clinical Endocrinologists (see Laura's post above for the recommended range), which means your thyroid is not functioning at its optimum level and your pituitary is trying to stimulate it with more TSH. Your doctor should order additional tests like those mentioned by Laura since your TSH would indicate abnormal thyroid function. See PM in case the lab your doctor uses has a different TSH reference range.
The new range for TSH is .30-3.0. The higher it goes the more likely you are Hypothyroid....which is Underactive thyroid.
TSH is a pituitary function test only though....you need to have at least a Free T4 done with the TSH at the same time. Preferably a Free T3 as well. The Free T3 and Free T4 are the actual active thyroid hormone levels in the body....which is MOST important. :)
TSH is a pituitary function test only though....you need to have at least a Free T4 done with the TSH at the same time. Preferably a Free T3 as well. The Free T3 and Free T4 are the actual active thyroid hormone levels in the body....which is MOST important. :)
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