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www.health.harvard.edu/womens-health/do-you-need-a-thyroid-test

A blood test for levels of TSH is the most sensitive test for determining whether you have hypothyroidism. Most laboratories use 0.45 – 5.00 mIU/L as a ...

www.healthline.com/health/hypothyroidism/symptoms-treatments-more

Blood tests · If your thyroid isn't producing enough hormones, the pituitary gland will boost TSH to increase thyroid hormone production. · If you ...

medlineplus.gov/lab-tests/tsh-thyroid-stimulating-hormone-test

Jul 31, 2020 ... Puffiness; Bulging of the eyes; Difficulty sleeping. Symptoms of hypothyroidism, also known as underactive thyroid, include: Weight gain ...

www.btf-thyroid.org/thyroid-function-tests

Sep 11, 2019 ... You will normally have less frequent tests when you are stable on your treatment. In hypothyroidism, a TSH test once a year will check that ...

www.uptodate.com/contents/hypothyroidism-underactive-thyroid-beyond-the-basics

Apr 20, 2021 ... Many patients with mild hypothyroidism are identified on screening tests for potential hypothyroid symptoms but have few or no symptoms that ...

www.bupa.co.uk/health-information/heart-blood-circulation/underactive-thyroid

Symptoms of underactive thyroid · putting on weight · having less of an appetite for food · feeling the cold · dry skin · feeling weak and tired ...

thriva.co/hub/thyroid/how-to-test-your-thyroid-function

The normal range for TSH is: ... If these levels are low, it could indicate an overactive thyroid. If these levels are raised, it could indicate an underactive ...

www.medicalnewstoday.com/articles/163729

Thyroiditis is an inflammation of the thyroid gland. It causes thyroid hormones to leak into the blood, raising their overall levels and leading to ...

www.verywellhealth.com/interpret-your-thyroid-test-results-3231840

Sep 10, 2021 ... By comparing the results of thyroid tests, a healthcare provider can tell if you have hypothyroidism (low thyroid function), ...

patient.info/hormones/overactive-thyroid-gland-hyperthyroidism/thyroid-function-tests

Feb 26, 2020 ... Thyroid function tests are blood tests which help to check the function of your thyroid gland. They are mainly used to detect an underactive ...

www.mayoclinic.org/diseases-conditions/hypothyroidism/diagnosis-treatment/drc-20350289

Nov 19, 2020 ... Diagnosis of hypothyroidism is based on your symptoms and the results of blood tests that measure the level of TSH and sometimes the level of ...