Bowel Obstruction

Bowel obstruction occurs when something blocks the normal flow through the intestines. It can develop suddenly and is potentially life-threatening if untreated.

Quick Facts

  • ICD-10: K56
  • Severity: Often emergency

Emergency Symptoms

Seek emergency care for:
  • Severe crampy abdominal pain that comes in waves
  • Inability to pass gas or stool
  • Significant abdominal distension
  • Vomiting (especially feculent or bilious)
  • Fever with abdominal pain

Common Causes

Small bowel obstruction

  • Adhesions from prior abdominal surgery (most common)
  • Hernias
  • Crohn's disease
  • Tumors

Large bowel obstruction

  • Colorectal cancer
  • Diverticulitis with stricture
  • Volvulus (twisted bowel)
  • Severe constipation/impaction

Treatment

  • NPO (nothing by mouth)
  • IV fluids and electrolyte management
  • Nasogastric tube decompression
  • Many adhesion-related small bowel obstructions resolve with conservative care
  • Surgery for complete obstruction, signs of strangulation, or failure to improve
  • Stenting for some malignant obstructions
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.

References

  • American College of Surgeons. Bowel Obstruction Resources.