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Doctor insights on: Tsh Ts4 Level

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Tsh 6.5 level is high?

Tsh 6.5 level is high?

YES: The normal range i our area is 0-4 to4mlu/l it varies from area to area and lab but never from 0.5 to5.5 mlu/l. 6.5 is high. Thanks. ...Read more

Dr. Quang Nguyen
893 doctors shared insights

Thyroid Stimulating Hormone (Definition)

A TSH test measures the amount of thyroid stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland and tells the thyroid gland to make and release the hormones thyroxine ...Read more


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Fluctuating TSH levels?

Fluctuating TSH levels?

Depends: Are you on thyroid replacement currently? Tsh can fluctuate if you are on the wrong kind of thyroid replacement, or you are not taking it regularly, or lab misinterpretation...Work closely with your doc or see a thyroid specialist if this continues to be a problem. ...Read more

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Why were my TSH levels so high?

Why were my TSH levels so high?

Was not producing: enough thyroid hormone- underactive when on correct dose, it will return to normal tsh ...Read more

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What is normal range for TSH levels?

Depends on lab, but: Depends alot on the lab you use: most run roughly from 0.3 to about 5.0. But - this is important - most endocrinologists now consider anything above (roughly) 2.0-2.5 to be elevated, meaning an under-active thyroid. See your doctor for more specifics. ...Read more

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What is a normal range for TSH levels?

What is a normal range for TSH levels?

0.4–4.0 µIU/mL: However, the upper limit may be slightly too high, with several studies showing TSH above 2 may be associated with increased risk of hypothyroidism later in life. This is the normal range for adults. It is different for children. ...Read more

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Why are elevated TSH levels dangerous?

Why are elevated TSH levels dangerous?

Hypothyroidism: Elevated TSH strongly suggests that hypothyroidism is present which, if untreated, can produce numerous problems such as fatigue, weight gain, constipation and impaired thinking. Rarely the cause could be a pituitary tumor. ...Read more

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What medications affect TSH levels severely?

What medications affect TSH levels severely?

Various meds: Can do this. The most common are thyroid hormone (either T4 and/or t3), lithium, amiodarone, dopamine, levodopa, bromocriptine, glucocorticoids (>0.5 mg/day dexamethasone, 100 mg/day hydrocortisone), octreotide, amphetamines, Metoclopramide >1 mg/kg, iodinated contrast media. ...Read more

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What is the usual normal range for TSH levels?

0.5 - 5.0: In general, people with no known thyroid conditions will have TSH values between 0.5 and 5.0. Each lab determines its own normal range, and the lower limit can range from 0.2 - 0.6, and the upper limit from 2.5 to 6.0. There are some doctors who feel that the upper limit of normal is too high and that treatment should be considered for anyone with symptoms and TSH over 2.5 to 3.0. ...Read more

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Wondering why were my TSH levels so different?

Recheck: Recheck it, sometimes might be lab error. ...Read more