Bowel & Intestinal
Chronic Diarrhea
Loose or watery stools lasting more than four weeks.
Image: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), NIH
CategoryBowel & Intestinal
Typical NatureChronic
UrgencyEvaluate promptly
What Is Chronic Diarrhea?
Diarrhea lasting more than four weeks is considered chronic and warrants evaluation, since the cause can range from IBS to infections, malabsorption, or inflammatory bowel disease. We work to pinpoint the cause rather than just managing symptoms.
Symptoms of Chronic Diarrhea
Common Symptoms
- Loose or watery stools lasting weeks
- Urgency or frequent bowel movements
- Abdominal cramping
- Weight loss or dehydration in severe cases
Causes & Risk Factors
Common Causes
- IBS with diarrhea
- IBD
- Celiac disease
- Chronic infections
- Malabsorption disorders
Risk Factors
When to See a Doctor: Red-Flag Symptoms
Most digestive symptoms can be evaluated at a routine visit. However, seek prompt medical attention if you experience any of the following:
- Rectal bleeding or blood in the stool
- Severe or worsening abdominal pain
- High fever with abdominal symptoms
- Signs of dehydration (dizziness, reduced urination)
If you're experiencing a medical emergency, call 911 or go to your nearest emergency room.
How Chronic Diarrhea Is Diagnosed
- A detailed symptom history and physical exam
- Stool studies or blood work as indicated
- Colonoscopy or sigmoidoscopy for direct visualization
- Breath testing for suspected SIBO or intolerances
Treatment Options
- Stool testing to rule out infection
- Celiac and IBD screening when indicated
- Dietary modification
- Targeted medication based on the underlying cause
Related Services & Procedures
Prevention
- Food safety practices while traveling
- Identifying and avoiding trigger foods
- Managing underlying conditions like IBD
Related Conditions
Frequently Asked Questions
Depending on your history, we may order stool studies, blood work for celiac disease, or a colonoscopy to look for inflammation.
It can be, which is why persistent diarrhea should always be evaluated rather than managed indefinitely with over-the-counter remedies alone.
Both can cause it, but IBD involves visible inflammation confirmed by endoscopy, while IBS does not. Distinguishing between them guides very different treatment.
Reviewed by Dr. Anthony Marchetti, MDThis content is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.