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Understanding Chronic Diarrhoea: More Than Just a Temporary Stomach Upset

Reviewed by: Dr. Rohan Badave

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Chronic diarrhoea, characterised by loose, watery stools occurring three or more times a day for a period exceeding four weeks, is a common and often debilitating condition affecting millions worldwide. While acute diarrhoea is usually short-lived and often caused by infections, chronic diarrhoea points towards a more persistent underlying issue that requires careful investigation.

 

Causes of Persistent Diarrhoea

The causes of chronic diarrhoea are diverse, ranging from dietary factors to complex medical conditions. Identifying the specific cause is crucial for effective treatment and an appropriate approach to chronic diarrhoea.

Chronic diarrhoea guide

Common Causes:

  • Irritable Bowel Syndrome (IBS): A common functional gastrointestinal disorder. IBS-D (Diarrhoea-predominant IBS) is a frequent culprit, often triggered by stress or certain foods.

  • Inflammatory Bowel Disease (IBD): This includes Crohn's disease and ulcerative colitis, chronic inflammatory conditions of the digestive tract. Early diagnosis of IBD can lead to effective management, with many patients achieving remission and a good quality of life.

  • Food Intolerances and Allergies: Lactose intolerance, gluten sensitivity (non-celiac gluten sensitivity), and food allergies can all manifest as chronic diarrhoea.

  • Malabsorption Syndromes: Conditions like celiac disease (an autoimmune reaction to gluten) or pancreatic insufficiency hinder the body's ability to absorb nutrients, leading to fatty, foul-smelling stools.

Less Common, Yet Significant Causes:

  • Chronic Infections: Certain parasites (e.g., Giardia) or bacteria can cause prolonged diarrhoea if not properly treated.

  • Medication Side Effects: A wide range of medications, including some antibiotics, antacids, and blood pressure drugs, can cause chronic diarrhoea.

  • Endocrine Disorders: Conditions like hyperthyroidism or adrenal insufficiency can sometimes lead to chronic diarrhoea.

  • Microscopic Colitis: An inflammation of the large intestine only visible under a microscope.

  • Post-Surgical Changes: Diarrhoea can sometimes occur after certain abdominal surgeries, such as gallbladder removal.

Symptoms and Potential Complications of Chronic Diarrhoea

Beyond the inconvenience, chronic diarrhoea can lead to significant health issues if left unaddressed. Common symptoms include:

  • Frequent, loose, or watery stools

  • Abdominal pain and cramping

  • Bloating and gas

  • Urgent need to have a bowel movement

  • Nausea

Left untreated, chronic diarrhoea can lead to more serious complications:

  • Dehydration: A significant risk, especially in severe cases, leading to fatigue, dizziness, and electrolyte imbalances.

  • Malnutrition and Weight Loss: Impaired absorption of essential nutrients can lead to deficiencies, weakness, and unintended weight loss.

  • Anaemia: Chronic blood loss (often microscopic) from conditions like IBD can cause iron deficiency anaemia.

  • Reduced Quality of Life: The constant worry and discomfort can severely impact daily activities, work, and social interactions.

Diagnosing Chronic Diarrhoea

Our comprehensive diagnostic approach ensures an accurate understanding of your condition. It typically involves:

  • Detailed Medical History and Physical Examination: Understanding your symptoms, dietary habits, and medical background.

  • Stool Tests: To check for infections, blood, or signs of malabsorption. Our advanced lab facilities provide precise results.

  • Blood Tests: To assess for inflammation, anaemia, nutritional deficiencies, or markers for celiac disease.

  • Endoscopic Procedures: Such as colonoscopy or gastroscopy with biopsies, to visualise the digestive tract and obtain tissue samples for microscopic analysis, particularly if IBD or microscopic colitis is suspected.

  • Breath Tests: To diagnose conditions like lactose intolerance or small intestinal bacterial overgrowth (SIBO).

Effective Treatment Approaches

Chronic diarrhoea treatment is highly personalised, focusing on addressing the underlying cause and managing symptoms. The treatment approach usually includes lifestyle changes and medical management.At the Department of Gastroenterology, our specialists provide comprehensive evaluation and customised treatment plans to help patients achieve long-term digestive health and symptom relief.

Lifestyle and Dietary Adjustments:

Dietary modifications can alleviate symptoms for individuals with certain food intolerances.

  • Dietary Elimination: Identifying and avoiding trigger foods (e.g., lactose, gluten, certain artificial sweeteners, high-FODMAP foods).

  • Hydration: Ensuring adequate fluid intake to prevent dehydration.

  • Stress Management: Techniques like yoga, meditation, or therapy can be beneficial, especially for IBS-related diarrhoea.

Medical Management:

Depending on the diagnosis, various medical interventions may be recommended as part of your chronic diarrhoea treatment.

  • Anti-Diarrhoeal medications: To reduce stool frequency and improve consistency.

  • Anti-inflammatory medications: For conditions like IBD.

  • Antibiotics or antiparasitics: If an infection is identified.

  • Enzyme supplements: For conditions like pancreatic insufficiency.

  • Targeted therapies: For specific conditions like IBS or IBD, aimed at modulating gut function or inflammation.

Advanced Therapies:

For complex cases, advanced treatments are available, including biologics for IBD, which can significantly improve patient outcomes.

Care Essentials: Do's and Don'ts

DOs

DONTS

Stay Hydrated: Drink plenty of water, broths, and electrolyte-rich fluids.

Don't Ignore Symptoms: Chronic diarrhoea is not normal and requires attention

Keep a Food Diary: Track your meals and symptoms to identify potential trigger foods.

Don't Self-Medicate Extensively: Over-the-counter remedies might mask a serious underlying condition.

Eat Small, Frequent Meals: This can be easier on your digestive system.

Don't Consume Trigger Foods: Avoid caffeine, alcohol, spicy foods, and high-fat foods that can exacerbate symptoms.

Consume Soluble Fibre: Foods like oats, bananas, and apples (peeled) can help firm up stools.

Don't Delay Hydration: Dehydration can quickly become serious

Seek Medical Advice: Consult a gastroenterologist if symptoms persist or worsen.

Don't Hesitate to Ask Questions: Your healthcare provider is there to help you understand and manage your condition.

When to See a Doctor

While occasional diarrhoea can often be managed at home, certain symptoms warrant immediate medical attention. It's crucial to consult a gastroenterologist if you experience:

  • Diarrhoea lasting longer than two days (for acute cases) or any persistent diarrhoea for weeks.

  • Severe abdominal pain or cramping.

  • Fever of 102°F (39°C) or higher.

  • Bloody or black, tarry stools.

  • Signs of dehydration (decreased urination, extreme thirst, dry mouth, dizziness, weakness).

  • Unexplained weight loss.

  • Diarrhoea waking you up at night.

Conclusion

Chronic diarrhoea is more than just a passing discomfort; it's a persistent condition that demands attention and a comprehensive approach. Understanding its diverse causes, recognising its symptoms, and seeking timely medical evaluation are crucial steps toward effective management. With accurate diagnosis and personalised chronic diarrhoea treatment, including lifestyle adjustments and advanced therapies, individuals can find significant relief and vastly improve their quality of life. Don't let chronic diarrhoea control your life – consult our experts at the Department of Gastroenterology at Manipal Hospital, Goa, to explore options for effective treatment. Our experts are dedicated to providing the best possible care for your digestive health.

Frequently Asked Questions

Acute diarrhoea typically lasts for a few days to a week and is often caused by infections. Chronic diarrhoea persists for more than four weeks and usually indicates an underlying medical condition or food intolerance.
 

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