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).

A TSH test is used to find out how well your thyroid is working. It can tell if you have hyperthyroidism (too much thyroid hormone) or hypothyroidism (too little thyroid hormone) in …

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

Thyroid-stimulating hormone (TSH) triggers your thyroid to release its hormones, which mainly impact your body’s metabolism. High TSH levels usually indicate hypothyroidism, and low TSH …

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.

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.

Sep 5, 2023 · The best way to initially test thyroid function is to measure the TSH level in a blood sample. Changes in TSH can serve as an “early warning system” – often occurring before the …

Sep 30, 2024 · The test measures the amount of thyroid-stimulating hormone (TSH) in your blood, which is an indicator of thyroid disease. TSH is made by the pituitary gland, a tiny organ …

Aug 4, 2025 · Your thyroid labs say "normal" but you feel awful? Learn what TSH, T3, T4 numbers really mean and when to push for better testing.

Discusses blood test used to check for thyroid gland problems. Explains how TSH causes thyroid gland to make hormones that help control metabolism. Covers how it is done and test results.