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Hypothyroidism
Anna M. Sawka and Jacqueline Jonklaas
CMAJ February 17, 2015 187 (3) 205; DOI: https://doi.org/10.1503/cmaj.141596
Anna M. Sawka
Division of Endocrinology and Metabolism (Sawka), Department of Medicine, and University Health Network, University of Toronto, Toronto, Ont.; Division of Endocrinology and Metabolism (Jonklaas), Department of Medicine, Georgetown University, Washington, DC
MD PhDJacqueline Jonklaas
Division of Endocrinology and Metabolism (Sawka), Department of Medicine, and University Health Network, University of Toronto, Toronto, Ont.; Division of Endocrinology and Metabolism (Jonklaas), Department of Medicine, Georgetown University, Washington, DC
MD PhDData supplements
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- (2015). Highlights. CMAJ, 187(3), 159. Accessed May 13, 2024. Retrieved from http://www.cmaj.ca/content/187/3/159.
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Hypothyroidism
Anna M. Sawka, Jacqueline Jonklaas
CMAJ Feb 2015, 187 (3) 205; DOI: 10.1503/cmaj.141596
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- In screening for primary hypothyroidism, only serum thyroid-stimulating hormone is required as a first-line test1–3
- Maintenance of a normal serum TSH level is the mainstay of biochemical follow-up of primary hypothyroidism
- About a third of patients receiving treatment for hypothyroidism have TSH values outside the target range1–3
- Coingestion of levothyroxine with food may cause impaired absorption and should be avoided1,3
- Coingestion of levothyroxine with medications or dietary supplements that may interfere with its absorption should be avoided2,3
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