TSH Levels Decoded and What They Mean - Verywell Health
Dec 10, 2025 · TSH levels can change due to factors like age, sex, and pregnancy. TSH influences thyroid hormones that control heart rate, metabolism, sleep, and mood. TSH levels …
TSH Levels: Low to high ranges, symptoms, and what they mean
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.
TSH (Thyroid-Stimulating Hormone) Levels: Symptoms
Jul 25, 2022 · Thyroid-stimulating hormone (TSH) triggers your thyroid to release its hormones. High TSH levels usually indicate hypothyroidism and low levels, hyperthyroidism.
Thyroid-Stimulating Hormone (TSH): TSH Levels Test - WebMD
Nov 22, 2025 · TSH levels typically fall between 0.4 and 4.0 mU/L, according to the American Thyroid Association. Ranges may vary with labs, with the upper limit generally being between …
TSH Levels: Normal, Low, and High Ranges - Health
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 (Thyroid-stimulating hormone) Test - MedlinePlus
TSH stands for thyroid-stimulating hormone. A TSH blood test checks your TSH level. If it’s too high or too low, it may be a sign of a thyroid problem.
Expected TSH Ranges by Age and During Pregnancy - Healthline
Oct 3, 2025 · Your thyroid stimulating hormone (TSH) level indicates how well your thyroid is functioning. Learn about targeted reference levels as you age and during pregnancy.
TSH Levels: Normal Ranges, Symptoms, Testing, and Treatments
Mar 24, 2022 · Your thyroid-stimulating hormone (TSH) levels can indicate how well your thyroid gland is working. A normal TSH level generally falls between 0.35 and 4.5 milli-international …
High TSH Levels: Symptoms, Treatment and Thyroid Causes
Feb 11, 2025 · Thyroid stimulating hormone, or TSH, is produced by the pituitary gland and helps regulate thyroid hormone levels in the body. Learn the high TSH symptoms, such as fatigue …
Normal TSH Levels by Age Chart and Reference Ranges
The expected range for TSH levels is not static, changing significantly from birth through old age. These reference ranges are measured in milli-international units per liter (mIU/L).