High TSH levels usually mean the thyroid is underactive, which is called hypothyroidism. TSH levels can change due to factors like age, sex, and pregnancy. TSH influences thyroid hormones that control ...
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) ...
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 ...