Nancy J. Norton, IFFGD Founder

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Nancy J. Norton

Nancy Norton is a prominent advocate for the study and treatment of functional gastrointestinal and motility disorders.

Since 1991, she has worked to present the perspective of patients and their needs to the health care community.

On behalf of IFFGD, she organized the biennial International Symposium on Functional Gastrointestinal Disorders, a forum for international experts. Ms. Norton has provided testimony to the U.S. Senate and House of Representatives Appropriation Subcommittees on Labor, Health and Human Services, and Education.

Professional Societies

Ms. Norton serves in several prominent professional societies, providing a voice on behalf of patients. Her roles have included:


Ms. Norton has worked on many research studies as well as contributions to books and reviews aimed at improving health and daily living for people affected by functional GI and motility disorders.

  • Kurlander JE, Chey WD, Morris CB, Hu YJB, Padival RK, Bangdiwala SI, Norton NJ, Norton WF, Drossman DA. Development and validation of the Patient-Physician Relationship Scale among patients with irritable bowel syndrome. Neurogastroenterol Motil. 2017 Oct;29(10):1-8.
  • Yu D, Ramsey FV, Norton WF, Norton N, Schneck S, Gaetano T, Parkman HP. The burdens, concerns, and quality of life of patients with gastroparesis. Dig Dis Sci. 2017 Jan 21. doi: 10.1007/s10620-017-4456-7.
  • Norton NJ. Functional bowel disorders: a patient’s perspective. Am J Gastroenterol. 2016 Apr;111(4):451-1.
  • Dorn SD, Morris CB, Schneck SE, Hopper TM, Hu YJ, Kelapure R, Weinland SR, Norton WF, Norton NJ, Drossman DA. Development and validation of the irritable bowel syndrome satisfaction with care scale. Clin Gastroenterol Hepatol. 2011 Dec;9(12):1065-71.e1-2. Epub 2011 Aug 18.
  • Parkman HP, Camilleri M, Farrugia G, McCallum RW, Bharucha AE, Mayer EA, Tack JF, Spiller R, Horowitz M, Vinik AI, Galligan JJ, Pasricha PJ, Kuo B, Szarka LA, Marciani L, Jones K, Parrish CR, Sandroni P, Abell T, Ordog T, Hasler W, Koch KL, Sanders K, Norton NJ, Hamilton F. Gastroparesis and functional dyspepsia: excerpts from the AGA/ANMS meeting. Neurogastroenterol Motil. 2010 Feb;22(2):113-33. Epub 2009 Dec 9. Review.
  • Halpert A, Dalton CB, Palsson O, Morris C, Hu Y, Bangdiwala S, Hankins J, Norton N, Drossman DA. Irritable bowel syndrome patients’ ideal expectations and recent experiences with healthcare providers: a national survey. Dig Dis Sci. 2010 Feb;55(2):375-83. Epub 2009 Jun 10.
  • Drossman D.A., Morris C.B., Schneck S., Hu Y.J.B., Norton N.J., Norton W.F., Weinland S., Dalton C., Leserman J., Bangdiwala S.I. International survey of patients with IBS: Symptom features and their severity, health status,treatments, and risk taking to achieve clinical benefit. J Clin Gastroenterol.2009 Jul;43(6):541-50.
  • Drossman D.A., Chang L., Schneck S., Blackman C., Norton W.F., Norton N.J. A focus group assessment of patient perspectives on irritable bowel syndrome and illness severity. Dig Dis Sci. 2009 Apr 1.
  • Norton N.J.. Foreword: A Patient’s View. In Thompson WG. Understanding the Irritable Gut: The Functional Gastrointestinal Disorders. McLean VA, Degnon Associates, 2008.
  • Chang L., Toner B.B., Fukudo S., Guthrie E., Locke G.R., Norton N.J., Sperber A.D., Gender, Age, Society, Culture, and the Patient’s Perspective in the Functional Gastrointestinal Disorders, in Drossman DA (sr ed): Rome III: The Functional Gastrointestinal Disorders, Degnon Associates, Inc. 2006, Ch. 5, pp. 232-237. 
  • Chang L., Toner B.B., Fukudo S., Guthrie E., Locke G.R., Norton N.J., Sperber A.D. Gender, Age, Society, Culture, and the Patient’s Perspective in the Functional Gastrointestinal Disorders. Gastroenterology. 2006 May; 130(5):1435-1446.
  • Drossman DA, Chang L, Bellamy N, Gallo-Torres HE, Lembo A, Mearin F, Norton NJ, Whorwell P. Severity in irritable bowel syndrome: a Rome Foundation working team report. Am J Gastroenterol. 2011 Jul 12. doi: 10.1038/ajg.2011.201. [Epub]
  • Norton, N.J., The Perspective of the Patient. Gastroenterology 2004 Jan;126(1 Suppl 1):S175-9.
  • Whitehead W.E., Wald A., Norton N.J. Priorities for treatment research from different professional perspectives: Gastroenterology. 2004 Jan;126(1 Suppl 1):S180-5.
  • Whitehead W.E., Norton N.J., Wald A. Introduction. Advancing the treatment of fecal and urinary incontinence through research. Gastroenterology. 2004 Jan;126(1 Suppl 1):S1-2.
  • Cohen S, Bacon BR, Berlin JA, Fleischer D, Hecht GA, Loehrer PJ Sr, McNair AE Jr, Mulholland M, Norton NJ, Rabeneck L, Ransohoff DF, Sonnenberg A, Vannier MW. National Institutes of Health State-of-the-Science Conference Statement: ERCP for diagnosis and therapy, January 14-16, 2002. Gastrointest Endosc. 2002 Dec;56(6):803-9.
  • Whitehead, W., Wald, A., Norton, N., Treatment Options for Fecal Incontinence: A Consensus Conference Report, Diseases of the Colon and Rectum. Vol. 44, No. 1, 131-142, 2001.
  • Norton, N.J., The Patient Experience, Functional GI Disorders, Irritable Bowel Syndrome. Part 1, Nosology, Epidemiology, and Pathophysiology. American Digestive Health Foundation, 1999.
  • Norton, N.J., Patient Advocacy and Self-help Groups, in Olden. K.W. (ed): Handbook of Functional Gastrointestinal Disorders, Marcel Dekkar, Inc. 1996, Ch. 14, pp. 329-336.
  • Nelson, R., Norton, N., Cautley, E., Furner, S., Community-Based Prevalence of Anal Incontinence, Journal of the American Medical Association. Vol. 274, No. 7, 559-561, 1995.
  • Norton, N.J., Epilogue, in Schuster, M.M. and Wehmueller, J., Keeping Control – Understanding and Overcoming Fecal Incontinence, Johns Hopkins University Press, 1994, pg. 137-146.
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IFFGD is a nonprofit education and research organization. Our mission is to inform, assist, and support people affected by gastrointestinal disorders.

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