Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 12/24/2025

Constipation Management in Older Adults with Uncomplicated Diverticulosis

Evidence Supporting Safety in Elderly Patients

  • The European Society for Medical Oncology (ESMO) guidelines recommend polyethylene glycol (PEG) 17 g/day as an efficacious and tolerable solution for elderly patients with a good safety profile 1
  • Regular monitoring is recommended for elderly patients with chronic kidney or heart failure, especially when concomitant treatment with diuretics or cardiac glycosides is prescribed, due to risk of dehydration and electrolyte imbalances, as suggested by the European Society for Medical Oncology (ESMO) 1
  • Laxatives must be individualized based on the older person's cardiac and renal comorbid conditions, drug interactions, and potential adverse effects, according to the European Society for Medical Oncology (ESMO) 1

Specific Considerations for Diverticulosis

  • Uncomplicated diverticulosis is not a contraindication to MiraLAX use, as stated by the World Journal of Emergency Surgery 2, 3
  • Diverticulosis refers to the presence of diverticula without inflammation or complications, as defined by the World Journal of Emergency Surgery 2
  • Acute diverticulitis involves active inflammation and may require different management strategies, as noted by the World Journal of Emergency Surgery 2, 3

Prevention of Constipation in Diverticulosis

  • Preventing constipation is beneficial for patients with diverticulosis, as constipation and straining may contribute to diverticular disease progression, according to Praxis Medical Insights 4
  • MiraLAX can be used as part of a comprehensive bowel management strategy that includes dietary fiber, adequate hydration, and regular physical activity, as recommended by Praxis Medical Insights 4

Common Pitfalls to Avoid

  • Do not use bulk-forming agents in non-ambulatory elderly patients with low fluid intake due to increased risk of mechanical obstruction, as warned by the European Society for Medical Oncology (ESMO) 1
  • Avoid liquid paraffin in bed-bound patients and those with swallowing disorders due to risk of aspiration lipoid pneumonia, as cautioned by the European Society for Medical Oncology (ESMO) 1
  • Use saline laxatives with caution in older adults because of risk of hypermagnesemia, as advised by the European Society for Medical Oncology (ESMO) 1
  • Do not assume MiraLAX is contraindicated during acute diverticulitis episodes, as noted by Praxis Medical Insights 4