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verywellhealth.com
https://www.verywellhealth.com/understanding-thyro…
TSH Levels: What High and Low Levels Mean - Verywell Health
Learn how TSH levels indicate thyroid health. High TSH suggests an underactive thyroid; low levels point to overactivity.
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medicalnewstoday.com
https://www.medicalnewstoday.com/articles/326774
TSH Levels: Low to high ranges, symptoms, and what they mean
This article describes the TSH test and its results. We also discuss what high and low TSH levels indicate and available treatments.
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clevelandclinic.org
https://my.clevelandclinic.org/health/articles/235…
TSH (Thyroid-Stimulating Hormone) Levels: Symptoms
Thyroid-stimulating hormone (TSH) triggers your thyroid to release its hormones. High TSH levels usually indicate hypothyroidism and low levels, hyperthyroidism.
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webmd.com
https://www.webmd.com/women/what-is-tsh-test
Thyroid-Stimulating Hormone (TSH): TSH Levels Test - WebMD
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).
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mayoclinic.org
https://www.mayoclinic.org/diseases-conditions/hyp…
Hypothyroidism (underactive thyroid) - Mayo Clinic
It's usually based on the results of blood tests. The first blood test typically done to diagnose hypothyroidism measures the level of thyroid-stimulating hormone (TSH) in the blood. If it's high, the test is done again, along with a blood test for the thyroid hormone T-4.
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medlineplus.gov
https://medlineplus.gov/lab-tests/tsh-thyroid-stim…
TSH (Thyroid-stimulating hormone) Test - MedlinePlus
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 problem. The thyroid is a small, butterfly-shaped gland in the front of your neck.
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medicinenet.com
https://www.medicinenet.com/what_does_it_mean_when…
High TSH Levels: Symptoms, Treatment and Thyroid Causes
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 and dry skin, and what elevated thyroid levels mean.
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healthgrades.com
https://resources.healthgrades.com/right-care/thyr…
TSH Levels: Normal Ranges, Symptoms, Testing, and Treatments
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, characterized by symptoms such as fatigue and cold intolerance. It commonly results from thyroiditis.
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thekingsleyclinic.com
https://thekingsleyclinic.com/resources/understand…
Understanding TSH Levels: Your Guide to Thyroid Health
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 provides valuable insights into thyroid health.
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nih.gov
https://www.ncbi.nlm.nih.gov/books/NBK499850/
Physiology, Thyroid Stimulating Hormone - StatPearls - NCBI Bookshelf
Thyroid function tests measure the levels of T3, T4, and TSH in the blood. They are critical not only for diagnosing thyroid problems but also in differentiating between a primary and a secondary cause of thyroid disease. A change in TSH that parallels T3 and T4 changes indicates a secondary problem originating in the anterior pituitary.