International Journal of Endocrinology and Metabolism

Published by: Kowsar

Islamic Fasting and Thyroid Hormones

Fereidoun Azizi 1 , *
Author Information
1 Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
Article information
  • International Journal of Endocrinology and Metabolism: April 01, 2015, 13 (2); e29248
  • Published Online: April 25, 2015
  • Article Type: Editorial
  • Received: January 2, 2015
  • Accepted: February 13, 2015
  • DOI: 10.5812/ijem.13(2)2015.29248

To Cite: Azizi F. Islamic Fasting and Thyroid Hormones, Int J Endocrinol Metab. 2015 ;13(2):e29248. doi: 10.5812/ijem.13(2)2015.29248.

Copyright © 2015, Research Institute For Endocrine Sciences and Iran Endocrine Society. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
1. Introduction
2. Thyroid Functions During Ramadan
3. Thyroid Hormone Replacement
4. Thyroid Hormone Replacement During Ramadan
References
  • 1. Azizi F. Islamic fasting and health. Ann Nutr Metab. 2010; 56(4): 273-82[DOI][PubMed]
  • 2. Portnay GI, O'Brian JT, Bush J, Vagenakis AG, Azizi F, Arky RA, et al. The effect of starvation on the concentration and binding of thyroxine and triiodothyronine in serum and on the response to TRH. J Clin Endocrinol Metab. 1974; 39(1): 191-4[DOI][PubMed]
  • 3. Spaulding SW, Chopra IJ, Sherwin RS, Lyall SS. Effect of caloric restriction and dietary composition of serum T3 and reverse T3 in man. J Clin Endocrinol Metab. 1976; 42(1): 197-200[DOI][PubMed]
  • 4. Carlson HE, Drenick EJ, Chopra IJ, Hershman JM. Alterations in basal and TRH-stimulated serum levels of thyrotropin, prolactin, and thyroid hormones in starved obese men. J Clin Endocrinol Metab. 1977; 45(4): 707-13[DOI][PubMed]
  • 5. Azizi F. Effect of dietary composition on fasting-induced changes in serum thyroid hormones and thyrotropin. Metabolism. 1978; 27(8): 935-42[PubMed]
  • 6. Vinik AI, Kalk WJ, McLaren H, Hendricks S, Pimstone BL. Fasting blunts the TSH response to synthetic thyrotropin-releasing hormone (TRH). J Clin Endocrinol Metab. 1975; 40(3): 509-11[DOI][PubMed]
  • 7. Azizi F, Rasouli HA, Beheshti S. Evaluation of certain hormones and blood constituents during Islamic fasting month. Med Assoc Thailand. 1986; 69: 57A
  • 8. Sulimani RA. The effects of Ramadan fasting on thyroid functions in healthy male subjects. Nutrition Research. 1988; 8(5): 549-52[DOI]
  • 9. Azizi F, Nafarabadi M, Amini M. Serum thyroid hormone concentration in healthy women during month of Ramadan. Emirates Med J. 1994; 12: 140-3
  • 10. Ahmadinejad Z, Ziaee V, Rezaee M, Yarmohammadi Y, Shaikh H. The effect of ramadan fasting on thyroid hormone profile: A cohort study. Pak J Biol Sci. 2006; 9[DOI]
  • 11. Sajid KM, Akhtar M, Malik GQ. Ramadan fasting and thyroid hormone profile. J Pak Med Assoc. 1991; 41(9): 213-6[PubMed]
  • 12. Bahrayni SH, Vakili R, Nematy M, Norouzy A, Hashemy I, Ebrahimi M. The effect of Ramadan fasting on thyroid hormones in 9-13 years old pre-menarche girls. J Fasting Health. 2013; 1: 46-52
  • 13. Fish LH, Schwartz HL, Cavanaugh J, Steffes MW, Bantle JP, Oppenheimer JH. Replacement dose, metabolism, and bioavailability of levothyroxine in the treatment of hypothyroidism. Role of triiodothyronine in pituitary feedback in humans. N Engl J Med. 1987; 316(13): 764-70[DOI][PubMed]
  • 14. Biondi B, Wartofsky L. Treatment with thyroid hormone. Endocr Rev. 2014; 35(3): 433-512[DOI][PubMed]
  • 15. Bolk N, Visser TJ, Kalsbeek A, van Domburg RT, Berghout A. Effects of evening vs morning thyroxine ingestion on serum thyroid hormone profiles in hypothyroid patients. Clin Endocrinol (Oxf). 2007; 66(1): 43-8[PubMed]
  • 16. Rajput R, Chatterjee S, Rajput M. Can Levothyroxine Be Taken as Evening Dose? Comparative Evaluation of Morning versus Evening Dose of Levothyroxine in Treatment of Hypothyroidism. J Thyroid Res. 2011; 2011: 505239[DOI][PubMed]
  • 17. Bach-Huynh TG, Nayak B, Loh J, Soldin S, Jonklaas J. Timing of levothyroxine administration affects serum thyrotropin concentration. J Clin Endocrinol Metab. 2009; 94(10): 3905-12[DOI][PubMed]
  • 18. Campbell NR, Hasinoff BB, Stalts H, Rao B, Wong NC. Ferrous sulfate reduces thyroxine efficacy in patients with hypothyroidism. Ann Intern Med. 1992; 117(12): 1010-3[PubMed]
  • 19. Sherman SI, Tielens ET, Ladenson PW. Sucralfate causes malabsorption of L-thyroxine. Am J Med. 1994; 96(6): 531-5[PubMed]
  • 20. Singh N, Singh PN, Hershman JM. Effect of calcium carbonate on the absorption of levothyroxine. JAMA. 2000; 283(21): 2822-5[PubMed]
  • 21. Siraj ES, Gupta MK, Reddy SS. Raloxifene causing malabsorption of levothyroxine. Arch Intern Med. 2003; 163(11): 1367-70[DOI][PubMed]
  • 22. Liel Y, Harman-Boehm I, Shany S. Evidence for a clinically important adverse effect of fiber-enriched diet on the bioavailability of levothyroxine in adult hypothyroid patients. J Clin Endocrinol Metab. 1996; 81(2): 857-9[DOI][PubMed]
  • 23. Benvenga S, Bartolone L, Pappalardo MA, Russo A, Lapa D, Giorgianni G, et al. Altered intestinal absorption of L-thyroxine caused by coffee. Thyroid. 2008; 18(3): 293-301[DOI][PubMed]
  • 24. Karoli R, Fatima J, Chandra A, Mishra PP. Levothyroxine replacement and Ramadan fasting. Indian J Endocrinol Metab. 2013; 17(2): 318-9[DOI][PubMed]
  • 25. Raza SA, Ishtiaq O, Unnikrishnan AG, Khan AK, Ahmad J, Ganie MA, et al. Thyroid diseases and Ramadan. Indian J Endocrinol Metab. 2012; 16(4): 522-4[DOI][PubMed]
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