Overcoming Runner's Diarrhea

In brief

Many people experience bowel dysfunction related to running, ranging from prerace ‘nervous diarrhea’ to bloody diarrhea after an exhausting run. Potential causes vary. Diagnosis rests on an accurate history and selective investigation to exclude disease. Treatment may include explanation, reassurance, defecation before running, dietary changes, adequate hydration, and, occasionally, antidiarrheals.

Additional information

Notes on contributors

Stephen N. Sullivan

Dr Sullivan is the head of gastroenterology in the Department of Medicine, King Fahad National Guard Hospital, Riyadh, Saudi Arabia.