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.

Dec 10, 2025 · Learn how TSH levels indicate thyroid health. High TSH suggests an underactive thyroid; low levels point to overactivity.

Nov 22, 2025 · 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).

Oct 30, 2025 · A doctor can test your TSH levels with a blood test to diagnose thyroid disease. Normal TSH levels range from 0.4-4.0 mUI/mL, which indicates proper thyroid function.

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 …

Jan 31, 2026 · High TSH usually means hypothyroidism, while low TSH points to hyperthyroidism. A typical adult TSH target range is about 0.4 to 4.0 milli-international units per liter (mU/L). Ranges can...

May 2, 2024 · What Is Thyroid Stimulating Hormone (TSH)? If you’re low on thyroid hormone, your pituitary releases a substance called thyroid stimulating hormone (TSH) to boost production. If your …

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 …

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, …