Constipation

Clinical triage, Rome IV criteria, dietary fiber management, and colonoscopy boundaries for Constipation under ACG 2021 standards.

Editorial review complete

Independent clinical validation is pending.

Validation pending

Quick Reference Facts

System FocusGastrointestinal
Clinical CharacterSubjective patient manifestation
Diagnostic UrgencyMonitor for red flag progress

Evidence Summary

Body SystemClinical Medicine
Typical PrevalenceClinical review pending
Typical Age RangeClinical review pending
Clinical Urgencyroutine
Primary Etiological Factors
  • Low Dietary Fiber and Inadequate Fluid Intake
  • Irritable Bowel Syndrome with Constipation (IBS-C) or Pelvic Floor Dysfunction
  • Colorectal Malignancy, Stricture, or Volvulus

Definition

Constipation: A functional gastrointestinal disorder characterized by infrequent bowel movements (<3 per week), hard or lumpy stools (Bristol 1-2), straining, or sensation of incomplete evacuation according to Rome IV criteria.

Clinical Meaning

Reflects dyssynergic defecation, slow-transit constipation, colonic structural lesion (adenocarcinoma/stricture), hypothyroidism (underactive thyroid gland producing insufficient hormones), or drug side-effect (opioids, anticholinergics).

Common Causes

  • Low Dietary Fiber and Inadequate Fluid Intake
  • Irritable Bowel Syndrome with Constipation (IBS-C) or Pelvic Floor Dysfunction
  • Colorectal Malignancy, Stricture, or Volvulus
  • Hypothyroidism, Hypercalcemia, or Medication-Induced (Opioids, Calcium Channel Blockers)

Differential Diagnosis Matrix

Differential Diagnosis Overview

Differentiate functional constipation (IBS-C, dyssynergic defecation) from mechanical colonic obstruction, hypothyroidism, and opioid-induced constipation.

Clinical Red Flags

Seek urgent medical attention at an emergency department or primary care clinic if you present with any of the following symptoms:

  • Acute onset obstipation with severe abdominal pain, distension, and vomiting (Bowel Obstruction)
  • New onset constipation in patients >50 years with rectal bleeding or iron-deficiency anemia (Colorectal Cancer)
  • Paradoxical overflow diarrhea with fecal impaction and urinary retention

Lifestyle & Diet Support

Increase soluble and insoluble dietary fiber to 25-30g daily, maintain fluid intake (>2L/day), engage in regular physical activity; seek colonoscopy evaluation for red flags.

Reference Citations & Evidence Sources

Clinical Guidelines & Consensus Statements
  • CIT-0054Lacy B. E., Pimentel M., Brenner D. M.. "ACG Clinical Guideline: Management of Irritable Bowel Syndrome." The American Journal of Gastroenterology (2021).DOI PubMed
Clinical Reviews & Textbooks
  • CIT-0023National Center for Complementary and Integrative Health. "Homeopathy: What You Need To Know." National Institutes of Health (2021).

AI & Generative Search Citation Block

Entity IDS0010
Entity Typesymptom
Content Versionv1.1.0
Last Reviewed DateJul 31, 2026
Evidence LevelTraditional-Literature
Suggested Academic/LLM Citation format (AMA Style)

Dr. Narayan Jethwani. "Constipation." Homeo Healthcare Clinical Platform. Version 1.1.0. Reviewed: 2026-07-31T19:50:00Z. Available at: https://homeo.healthcare/knowledge/symptoms/constipation

No clinical connections registered for this topic.

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