hyperthyroidism

noun
hy·​per·​thy·​roid·​ism | \ ˌhī-pər-ˈthī-ˌrȯi-ˌdi-zəm How to pronounce hyperthyroidism (audio) \

Definition of hyperthyroidism

: excessive functional activity of the thyroid gland also : the resulting condition marked especially by increased metabolic rate, enlargement of the thyroid gland, rapid heart rate, and high blood pressure

Examples of hyperthyroidism in a Sentence

Recent Examples on the Web

Over the course of two recent days, Dahle treated patients with hyperthyroidism, migraines, diabetes, swollen lymph nodes, chronic ear infections, knee pain and constant nausea, and performed a skin biopsy to test for cancer. Elizabeth Aguilera, The Mercury News, "Paging more doctors: California’s worsening physician shortage," 20 Aug. 2019 In 1980, the number of cats diagnosed with hyperthyroidism was around one in 200. oregonlive.com, "Could your furniture be causing your cat to develop thyroid disease?," 13 Aug. 2019 Animals with hyperthyroidism can be treated with medication, radiation therapy or surgery to remove the enlarged glands. oregonlive.com, "Could your furniture be causing your cat to develop thyroid disease?," 13 Aug. 2019 An overactive thyroid, or hyperthyroidism, occurs when the gland produces too much of these hormones. Michael Nedelman, CNN, "Treatment for overactive thyroid linked to increased risk of dying from cancer," 1 July 2019 Most had an autoimmune disorder that causes hyperthyroidism called Graves' disease. Michael Nedelman, CNN, "Treatment for overactive thyroid linked to increased risk of dying from cancer," 1 July 2019 Medical conditions like hyperthyroidism, asthma, and chronic pain can all keep you up at night. Yvette D'entremont, SELF, "I'm a Scientist With Insomnia So I Researched How to Actually Get Better Sleep," 28 Nov. 2018 While an underactive thyroid can cause weight gain, an overactive one (which is diagnosed as hyperthyroidism) increases your metabolism, which can in turn cause increased hunger, Gilwit says. Colleen Stinchcombe, Woman's Day, "Why Am I Always Hungry?," 19 Oct. 2018 An overactive thyroid, or hyperthyroidism, can lead to heat intolerance. Colleen Stinchcombe, Woman's Day, "Why Am I Always Hot?," 18 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hyperthyroidism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hyperthyroidism

circa 1900, in the meaning defined above

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2 Sep 2019

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The first known use of hyperthyroidism was circa 1900

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hyperthyroidism

noun
hy·​per·​thy·​roid·​ism | \ -ˌrȯid-ˌiz-əm, -rəd- How to pronounce hyperthyroidism (audio) \

Medical Definition of hyperthyroidism

: excessive functional activity of the thyroid gland also : the resulting condition marked especially by increased metabolic rate, enlargement of the thyroid gland, rapid heart rate, and high blood pressure

called also thyrotoxicosis

— see graves' disease

More from Merriam-Webster on hyperthyroidism

Britannica.com: Encyclopedia article about hyperthyroidism

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