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Best Pract Res Clin Endocrinol Metab. 2009 Dec;23(6):781-92. doi: 10.1016/j.beem.2009.06.006.

Conditions and drugs interfering with thyroxine absorption.

Author information

1
Department of Endocrinology, VA Greater Los Angeles Healthcare System, Endocrinology 111D, 11301 Wilshire Blvd, Los Angeles, CA 90073, USA. liwanpol@cshs.org

Abstract

Food, dietary fibre and espresso coffee interfere with the absorption of levothyroxine. Malabsorptive disorders reported to affect the absorption of levothyroxine include coeliac disease, inflammatory bowel disease, lactose intolerance as well as Helicobacter pylori (H. pylori) infection and atrophic gastritis. Many commonly used drugs, such as bile acid sequestrants, ferrous sulphate, sucralfate, calcium carbonate, aluminium-containing antacids, phosphate binders, raloxifene and proton-pump inhibitors, have also been shown to interfere with the absorption of levothyroxine.

PMID:
19942153
DOI:
10.1016/j.beem.2009.06.006
[Indexed for MEDLINE]

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