The frequency of bowel and bladder problems in multiple sclerosis and its relation to fatigue: a single centre experience
Open accessAbstract
BACKGROUND: Bowel and bladder problems affect more than 50% of people with Multiple Sclerosis (MS). These problems have a large impact on quality of life and place a significant burden on health systems. OBJECTIVES: This study aimed to ascertain the frequency of bladder and bowel problems in a select Australian MS cohort and to investigate the relationships between level of disability, bladder and bowel problems, and fatigue. METHODS: Questionnaires on the nature and severity of MS symptoms were distributed to clients attending an Australian MS centre. Log-binomial regression and multiple linear regression models were used to investigate relationships between disability, fatigue, and bladder and bowel problems. RESULTS AND CONCLUSIONS: Of 167 questionnaires distributed, 136 were completed. Bladder problems were reported by 87 (74.4%) respondents, whilst 66 (48.9%) experienced functional constipation and 43 (31.9%) faecal incontinence. This frequency in our select Australian MS population is similar to that reported globally. There was a significant correlation between level of disability and: bladder problems (p = 0.015), faecal incontinence (p = 0.001), fatigue (p<0.001) and constipation (p = 0.016, relative risk: 1.16). Further investigation into the causal relationships between various MS symptoms may be beneficial in the development of novel therapeutic strategies for people with MS.
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Bowel symptoms are common across multiple sclerosis disease phenotypes.
“and bowel symptoms are common across disease phenotypes.”
From Autonomic nervous system and gastrointestinal manifestations with an emphasis on gastric dysfunction (2026) · cites this paper as Lin et al., 2019
The Results (Bowel dysfunction; page unavailable) report constipation in 48.9% and faecal incontinence in 31.9% of respondents, supporting that bowel symptoms are common in this MS cohort. The Discussion (page unavailable) says the cohort included different disease phenotypes, but the paper does not report bowel-symptom frequency by phenotype, so it does not establish that symptoms are common across them. (LLM, conf=0.84)
Experimental — accuracy not yet measuredIn multiple sclerosis, constipation, fecal incontinence, and evacuation disorders often co-occur with bladder dysfunction.
“Constipation, fecal incontinence, and evacuation disorders often co-occur with bladder dysfunction and can significantly impair quality of life (Almeida et al., 2019; Hinds et al., 1989; Lin et al., 2019).”
From Autonomic nervous system and gastrointestinal manifestations with an emphasis on gastric dysfunction (2026) · cites this paper as Lin et al., 2019
The Results report frequent bladder problems, functional constipation, and faecal incontinence in the surveyed MS population, while the Introduction says bowel and bladder problems can reduce quality of life. However, the paper does not report how often those conditions co-occur in the same individuals or identify evacuation disorders as a measured condition. (LLM, conf=0.84)
Experimental — accuracy not yet measuredIn multiple sclerosis, constipation, fecal incontinence, and evacuation disorders can significantly impair quality of life.
“Constipation, fecal incontinence, and evacuation disorders often co-occur with bladder dysfunction and can significantly impair quality of life (Almeida et al., 2019; Hinds et al., 1989; Lin et al., 2019).”
From Autonomic nervous system and gastrointestinal manifestations with an emphasis on gastric dysfunction (2026) · cites this paper as Lin et al., 2019
The Introduction says MS-related constipation and faecal incontinence are among bowel and bladder problems that can decrease quality of life. The Results > Bowel dysfunction reports both conditions in the surveyed MS population. Our copy does not specifically address evacuation disorders or establish that these conditions often co-occur with bladder dysfunction. (LLM, conf=0.85)
Experimental — accuracy not yet measuredIn multiple sclerosis, both slow transit and defecatory dyssynergia contribute to bowel symptoms.
“Objective studies using anorectal manometry, transit testing, and validated symptom instruments demonstrate that both slow transit and defecatory dyssynergia contribute to symptoms in MS, with severity often tracking neurologic disability (Almeida et al., 2019; Lin et al., 2019; Marola et al., 2016; Preziosi et al., 2014; Weber et al., 1987; Wiesel et al., 2000).”
From Autonomic nervous system and gastrointestinal manifestations with an emphasis on gastric dysfunction (2026) · cites this paper as Lin et al., 2019
The Introduction (page not provided) says MS-related demyelinating lesions can cause slow colonic transit. The Results > Bowel dysfunction links constipation and faecal incontinence with disability, but the paper does not identify defecatory dyssynergia or report anorectal manometry or transit testing; its Methods > Study tools describes symptom-based measures instead. (LLM, conf=0.88)
Experimental — accuracy not yet measuredIn multiple sclerosis, bowel symptom severity often tracks neurologic disability.
“Objective studies using anorectal manometry, transit testing, and validated symptom instruments demonstrate that both slow transit and defecatory dyssynergia contribute to symptoms in MS, with severity often tracking neurologic disability (Almeida et al., 2019; Lin et al., 2019; Marola et al., 2016; Preziosi et al., 2014; Weber et al., 1987; Wiesel et al., 2000).”
From Autonomic nervous system and gastrointestinal manifestations with an emphasis on gastric dysfunction (2026) · cites this paper as Lin et al., 2019
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- Authors
- Lin, S. D., Butler, J. E., Boswell-Ruys, C. L., Hoang, P., Jarvis, T., Gandevia, S. C., & McCaughey, E. J.
- Affiliations
- UNSW Sydney (AU)
- Corresponding author
- McCaughey, Euan J.
- Venue
- PLOS ONE
- Publisher
- Public Library of Science (PLoS)
- Published
- 2019-09-19
- Volume
- 14
- Issue
- 9
- Pages
- e0222731
- ISSN
- 1932-6203 (ISSN-L)
- PMC
- PMC6752850
- OpenAlex
- W2974867589
- Cited by
- 42
- References
- 0
- Citations by year
- 2026: 8 · 2025: 5 · 2024: 7 · 2023: 6 · 2022: 8 · 2021: 8
- FWCI
- 2.94
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- PLoS ONE (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- UNSWorks (University of New South Wales, Sydney, Australia) (submittedVersion, cc-by-nc-nd)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Figshare (submittedVersion, cc-by)
- Funders
- National Multiple Sclerosis Society (PP-1804-30637)
- National Health and Medical Research Council (APP1122932)
- Topics
- Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
- Health Sciences › Medicine › Urology › Urinary Bladder and Prostate Research
- Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
- Keywords
- multiple sclerosis, bowel dysfunction, bladder dysfunction, fatigue, fecal incontinence, constipation, disability severity, symptom frequency, quality of life
- MeSH terms
- Adult, Aged, Aged, 80 and over, Australia, Urinary Bladder, Fatigue, Fecal Incontinence, Female, Humans, Intestines, Male, Middle Aged, Multiple Sclerosis, Quality of Life, Surveys and Questionnaires
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