What causes abdominal pain and stomach gurgling?

Abdominal pain accompanied by audible bowel sounds—often described as “gurgling,” “rumbling,” or “growling”—is a common clinical presentation. These sounds, known medically as borborygmi, result from the movement of gas and fluid through the intestines during peristalsis. While occasional borborygmi are normal and reflect healthy gastrointestinal motility, their combination with abdominal pain warrants careful evaluation.

Common benign causes include hunger (which triggers increased gastric and intestinal contractions), dietary factors such as consumption of high-fiber foods, carbonated beverages, lactose-containing products (in individuals with lactose intolerance), or artificial sweeteners like sorbitol and mannitol. Acute gastroenteritis—often viral in origin—is another frequent cause, typically presenting with crampy abdominal pain, borborygmi, diarrhea, and sometimes nausea or low-grade fever.

More clinically significant etiologies require prompt recognition. These include partial small bowel obstruction (characterized by colicky pain, hyperactive or high-pitched bowel sounds early on, and possible constipation or obstipation), inflammatory bowel disease flares (e.g., Crohn’s disease or ulcerative colitis), irritable bowel syndrome (IBS)—particularly the diarrhea-predominant subtype—and celiac disease. Less common but critical diagnoses include mesenteric ischemia (especially in older adults with cardiovascular risk factors), diverticulitis, or intra-abdominal infection.

Red flag symptoms that necessitate urgent medical evaluation include fever, persistent or worsening pain, bilious vomiting, inability to pass flatus or stool, abdominal distension, hematochezia or melena, unintentional weight loss, or signs of systemic toxicity (e.g., tachycardia, hypotension). A thorough history—including onset, character, location, duration, aggravating or relieving factors, associated symptoms, and recent dietary or medication changes—is essential. Physical examination should assess for tenderness, rebound, guarding, distension, and bowel sound quality and frequency.

Diagnostic testing is guided by clinical suspicion and may include blood work (CBC, electrolytes, CRP, liver enzymes), stool studies (for infection or calprotectin), abdominal imaging (ultrasound, CT enterography, or plain radiographs), and, when appropriate, serologic testing (e.g., tissue transglutaminase antibodies for celiac disease) or endoscopic evaluation. Management depends entirely on the underlying diagnosis—from dietary modification and reassurance in functional disorders to antibiotics, anti-inflammatory therapy, or surgical intervention in more serious conditions.