Inflammatory Bowel Disease Without Diarrhea

Clinical Presentations

Symptom severity does not always correlate with inflammatory activity, and some patients present with constipation, pain, or extraintestinal manifestations as their primary symptoms, according to Clinical Gastroenterology and Hepatology guidelines 1
Stricturing disease can cause constipation, obstipation, abdominal pain, nausea, vomiting, and distention rather than diarrhea due to fibrotic narrowing and adhesions leading to obstructive symptoms 2
Transmural chronic inflammation in UC causes thickening of the muscularis mucosa and collagen deposition, affecting colonic motility even without active mucosal disease or diarrhea 3

Alarm features such as weight loss, nocturnal symptoms, bleeding, or fevers should prompt evaluation for IBD regardless of bowel pattern, as recommended by Clinical Gastroenterology and Hepatology 1
Abdominal pain with constipation in the setting of stricturing disease requires imaging and endoscopic evaluation 2
No therapeutic or diagnostic decision should be based on clinical symptoms alone; objective evidence of inflammation through endoscopy, imaging, or biomarkers is essential, according to Clinical Gastroenterology and Hepatology guidelines 1
Fecal calprotectin levels <50 μg/g may be reassuring, but values between 50-250 μg/g require further evaluation as they can indicate low-grade inflammation 1
CRP has poor sensitivity, so normal inflammatory markers do not exclude IBD 1

Do not assume IBD is ruled out based solely on absence of diarrhea, as symptom patterns vary widely and may not correlate with disease activity, as stated by Clinical Gastroenterology and Hepatology guidelines 1
Recognize that patients with ileus or obstructive symptoms may have severe IBD without diarrhea, particularly in surgical or stricturing presentations 2