Medically reviewed by Kelly Wood, MD Key Takeaways TSH influences thyroid hormones that control heart rate, metabolism, sleep ...

The thyroid-stimulating hormone (TSH) test measures the amount of TSH in the blood to convey how well a person’s thyroid functions. Normal levels are typically 0.4 to 4.0 milliunits per liter (mU/L) ...

The thyroid stimulating hormone level is a measure of the pituitary hormone TSH, which stimulates the thyroid gland to release thyroid hormone (thyroxine, or T4). Many people, especially older women, ...

Thyroid-stimulating hormone (TSH) helps control how much thyroid hormone your thyroid makes. High TSH usually means hypothyroidism, while low TSH points to hyperthyroidism. A typical adult TSH target ...

Patients treated for overt hypothyroidism with the standard replacement therapy levothyroxine (LT4) often continue to show abnormal cholesterol levels despite normalization of thyroid stimulating ...

A thyroid-stimulating hormone test measures the levels of this hormone in the body. The test helps determine whether or not the thyroid, a small gland in the throat, is functioning correctly. The ...

Please provide your email address to receive an email when new articles are posted on . Mothers who give birth to babies with neonatal hypothyroidism tend to have higher levels of free thyroxine and ...

Thyroxine and L-thyroxine are two of the 10 most frequently prescribed medicinal products. "One large health insurance company ranks thyroid hormone at fourth place in the list of most-sold ...

Dear Dr. Roach: I am a 71-year-old female in very good health. I have been taking a thyroid replacement since I was 12 years old. I currently take 125 mcg of thyroxine once daily, as well as 60 mg of ...

Dear Dr. Roach: I am an 82-year-old woman in good health. I recently had labwork that showed my TSH level is 6.14. I was told that I would need thyroid medicine because eventually I would feel tired ...