Apr 26, 2025 · Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.5 and 5.0 milliunits per liter (mU/L). If your TSH level is higher than 5.0 mU/L it suggests an underactive …

Apr 22, 2025 · This article describes the TSH test and its results. We also discuss what high and low TSH levels indicate and available treatments.

Jul 25, 2022 · Thyroid-stimulating hormone (TSH) triggers your thyroid to release its hormones. High TSH levels usually indicate hypothyroidism and low levels, hyperthyroidism.

Nov 14, 2023 · A TSH test is done to find out if your thyroid gland is working the way it should. It can tell you if your thyroid gland is overactive (hyperthyroidism) or underactive (hypothyroidism).

TSH (with a half-life of about an hour) stimulates the thyroid gland to secrete the hormone thyroxine (T 4), which has only a slight effect on metabolism. T 4 is converted to triiodothyronine (T 3), which is …

TSH stands for thyroid stimulating hormone. Another name for it is thyrotropin. A TSH test is a blood test that measures this hormone. A TSH level that is too high or too low may be a sign of a thyroid …

Mar 24, 2022 · Unusually low TSH levels may indicate an overactive thyroid, with symptoms like weight loss and rapid heart rate. Unusually high TSH levels often suggest an underactive thyroid, …

Produced by the pituitary gland, TSH controls the production of thyroid hormones T3 and T4, which are vital for maintaining numerous bodily processes. Monitoring TSH levels through a simple blood test …

May 14, 2025 · TSH, meaning thyroid stimulating hormone, is an important hormone produced by the pituitary gland. The function of TSH is to let the thyroid know whether it has to produce more or less …

Jun 3, 2025 · Low TSH results If your TSH result is low and your result for FT4, FT3, or both are high, you have an overactive thyroid (hyperthyroidism). If your TSH result is low and your FT4, FT3, or …