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Symptoms of hypothyroidism begin slowly over weeks or months. You may have hypothyroidism for a long time before you realize you are ill. Symptoms change with the degree of hypothyroidism and how long your body has not had the proper amount of thyroid hormone.
You may have only one of these symptoms, but most people have a combination. Some with hypothyroidism do not have symptoms or have mild symptoms that go unnoticed for a long period of time.
Other symptoms or signs include:
Symptoms of severe or extended cases include:
Hypothyroidism (underactive thyroid). National Institute of Diabetes and Digestive and Kidney Diseases website. Available at: https://www.niddk.nih.gov/health-information/endocrine-diseases/hypothyroidism. Updated August 2016. Accessed February 20, 2017.
Hypothyroidism in adults. EBSCO DynaMed Plus website. Available at:
http://www.dynamed.com/topics/dmp~AN~T115914/Hypothyroidism-in-adults. Updated July 12, 2016. Accessed February 20, 2017.
Singer P, Cooper D, Levy EG, et al. Treatment guidelines for patients with hyperthyroidism and hypothyroidism.
Wartofsky L. Myxedema coma.
Endocrinol Metab Clin North Am.
Last reviewed February 2017 by James P. Cornell, MD
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