Morley JE. Constipation and irritable bowel syndrome in the elderly. Clin Geriatr Med. 2007;23(4):823-832.
Bharucha AE, Pemberton JH, Locke GR III. American Gastroenterological Association technical review on constipation. Gastroenterology. 2013;144(1):218-238.
Suares NC, Ford AC. Prevalence of, and risk factors for, chronic idiopathic constipation in the community: systematic review and meta-analysis. Am J Gastroenterol. 2011;106(9):1582-1591.
Mugie SM, Benninga MA, Di Lorenzo C. Epidemiology of constipation in children and adults: a systematic review. Best Pract Res Clin Gastroenterol. 2011;25(1):3-18.
Stewart WF, Liberman JN, Sandler RS, et al. Epidemiology of constipation (EPOC) study in the United States: relation of clinical subtypes to sociodemographic features. Am J Gastroenterol. 1999;94(12):3530-3540.
Bharucha AE, Dorn SD, Lembo A, et al. American Gastroenterological Association medical position statement on constipation. Gastroenterology. 2013;144(1):211-217.
Aziz I, Whitehead WE, Palsson OS, et al. An approach to the diagnosis and management of Rome IV functional disorders of chronic constipation. Expert Rev Gastroenterol Hepatol. 2020;14(1):39-46.
Lacy BE, Mearin F, Chang L, et al. Bowel disorders. Gastroenterology. 2016;150(6):1393-1407.
Bharucha AE, Lacy BE. Mechanisms, evaluation, and management of chronic constipation. Gastroenterology. 2020;158(5):1232-1249.e3.
Paquette IM, Varma M, Ternent C, et al. The American Society of Colon and Rectal Surgeons' clinical practice guideline for the evaluation and management of constipation. Dis Colon Rectum. 2016;59(6):479-492.
Jamshed N, Lee ZE, Olden KW. Diagnostic approach to chronic constipation in adults. Am Fam Physician. 2011;84(3):299-306.
Voderholzer WA, Schatke W, Mühldorfer BE, et al. Clinical response to dietary fiber treatment of chronic constipation. Am J Gastroenterol. 1997;92(1):95-98.
Saad RJ, Rao SSC, Koch KL, et al. Do stool form and frequency correlate with whole-gut and colonic transit? Results from a multicenter study in constipated individuals and healthy controls. Am J Gastroenterol. 2010;105(2):403-411.
Jamshed N, Lee Z, Olden KW. Diagnostic approach to chronic constipation in adults. Am Fam Physician. 2011;84(3):299-306.
Shah BJ, Rughwani N, Rose S. Constipation. Ann Intern Med. 2015;162(7):ITC1-ITC16.
Brandt LJ, Prather CM, Quigley EMM, et al. Systematic review on the management of chronic constipation in North America. Am J Gastroenterol. 2005;100(suppl 1):S5-S21.
Astin M, Griffin T, Neal RD, et al. The diagnostic value of symptoms for colorectal cancer in primary care: a systematic review. Br J Gen Pract. 2011;61(586):e231-e243.
McMillan SC, Williams FA. Validity and reliability of the Constipation Assessment Scale. Cancer Nurs. 1989;12(3):183-188.
Tantiphlachiva K, Rao P, Attaluri A, et al. Digital rectal examination is a useful tool for identifying patients with dyssynergia. Clin Gastroenterol Hepatol. 2010;8(11):955-960.
Lexi-Drugs Online. Accessed October 2021. https://online.lexi.com
Wald A. Update on the management of constipation. JAMA. 2019;322(22):2239-2240.
Power AM, Talley NJ, Ford AC. Association between constipation and colorectal cancer: systematic review and meta-analysis of observational studies. Am J Gastroenterol. 2013;108(6):894-903.
Mounsey A, Raleigh M, Wilson A. Management of constipation in older adults. Am Fam Physician. 2015;92(6):500-504.
Dukas L, Willett WC, Giovannucci EL. Association between physical activity, fiber intake, and other lifestyle variables and constipation in a study of women. Am J Gastroenterol. 2003;98(8):1790-1796.
Meshkinpour H, Selod S, Movahedi H, et al. Effects of regular exercise in management of chronic idiopathic constipation. Dig Dis Sci. 1998;43(11):2379-2383.
Müller-Lissner SA, Kamm MA, Scarpignato C, et al. Myths and misconceptions about chronic constipation. Am J Gastroenterol. 2005;100(1):232-242.
Anti M, Pignataro G, Armuzzi A, et al. Water supplementation enhances the effect of high-fiber diet on stool frequency and laxative consumption in adult patients with functional constipation. Hepatogastroenterology. 1998;45(21):727-732.
Quigley EMM. The enteric microbiota in the pathogenesis and management of constipation. Best Pract Res Clin Gastroenterol. 2011;25(1):119-126.
Dahl WJ, Whiting SJ, Healey A, et al. Increased stool frequency occurs when finely processed pea hull fiber is added to usual foods consumed by elderly residents in long-term care. J Am Diet Assoc. 2003;103(9):1199-1202.
Sturtzel B, Elmadfa I. Intervention with dietary fiber to treat constipation and reduce laxative use in residents of nursing homes. Ann Nutr Metab. 2008;52(suppl 1):54-56.
Graham DY, Moser SE, Estes MK. The effect of bran on bowel function in constipation. Am J Gastroenterol. 1982;77(9):599-603.
U.S. Department of Agriculture and U.S. Department of Health and Human Services. Dietary guidelines for Americans, 2020–2025. 9th ed. December 2020. Accessed April 15, 2022. https://www.dietaryguidelines.gov/sites/default/files/2020-12/Dietary_Guidelines_for_Americans_2020-2025.pdf
Hoy MK, Goldman JD. Fiber intake of the U.S. population. What we eat in America. U.S. Department of Agriculture. Last modified January 29, 2021. Accessed May 17, 2022. https://www.ars.usda.gov/ARSUserFiles/80400530/pdf/DBrief/12_fiber_intake_0910.pdf
Hsieh C. Treatment of constipation in older adults. Am Fam Physician. 2005;72(11):2277-2284.
Agricultural Research Service. FoodData Central. U.S. Department of Agriculture. 2022. Accessed May 17, 2022. https://fdc.nal.usda.gov
Rao SSC, Seaton K, Miller M, et al. Randomized controlled trial of biofeedback, sham feedback, and standard therapy for dyssynergic defecation. Clin Gastroenterol Hepatol. 2007;5(3):331-338.
Rao SSC, Benninga MA, Bharucha AE, et al. ANMS-ESNM position paper and consensus guidelines on biofeedback therapy for anorectal disorders. Neurogastroenterol Motil. 2015;27(5):594-609.
Suares NC, Ford AC. Systematic review: the effects of fibre in the management of chronic idiopathic constipation. Aliment Pharmacol Ther. 2011;33(8):895-901.
Lee-Robichaud H, Thomas K, Morgan J, et al. Lactulose versus polyethylene glycol for chronic constipation. Cochrane Database Syst Rev. 2010(7):CD007570.
Kamm MA, Mueller-Lissner S, Wald A, et al. Oral bisacodyl is effective and well-tolerated in patients with chronic constipation. Clin Gastroenterol Hepatol. 2011;9(7):577-583.
Morishita D, Tomita T, Mori S, et al. Senna versus magnesium oxide for the treatment of chronic constipation: a randomized, placebo-controlled trial. Am J Gastroenterol. 2021;116(1):152-161.
Rao SSC, Brenner DM. Efficacy and safety of over-the-counter therapies for chronic constipation: an updated systematic review. Am J Gastroenterol. 2021;116(6):1156-1181.
Gras-Miralles B, Cremonini F. A critical appraisal of lubiprostone in the treatment of chronic constipation in the elderly. Clin Interv Aging. 2013;8:191-200.
Johanson JF, Ueno R. Lubiprostone, a locally acting chloride channel activator, in adult patients with chronic constipation: a double-blind, placebo-controlled, dose-ranging study to evaluate efficacy and safety. Aliment Pharmacol Ther. 2007;25(11):1351-1361.
Schoenfeld P, Lacy BE, Chey WD, et al. Low-dose linaclotide (72 μg) for chronic idiopathic constipation: a 12-week, randomized, double-blind, placebo-controlled trial. Am J Gastroenterol. 2018;113(1):105-114.
Lembo AJ, Schneier HA, Shiff SJ, et al. Two randomized trials of linaclotide for chronic constipation. N Engl J Med. 2011;365(6):527-536.
Ford AC, Brenner DM, Schoenfeld PS. Efficacy of pharmacological therapies for the treatment of opioid-induced constipation: systematic review and meta-analysis. Am J Gastroenterol. 2013;108(10):1566-1574.