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Understanding the Causes of Chronic Diarrhea

2/8/2026, 12:10:19 PMMale25-34

A 17-year-old male, who is in good physical condition and stands at 175 cm tall, has experienced challenges with chronic diarrhea since childhood. Remarkably, the issue ceased around the age of 12 without any discernible reason. However, during a trip to China in the summer of 2025, he suffered food poisoning, after which the diarrhea returned unexpectedly. He has noted an interesting pattern: the symptoms seem to manifest only when he experiences chills. Despite consulting his family doctor, he encountered a puzzling lack of answers regarding the recurrence of his symptoms. He has begun a treatment regimen, which, while seemingly effective, may be overly potent for his situation. He seeks insights into what might be the root cause of his condition and recommendations for appropriate medication. Interestingly, he believes he has no known allergies, but suggests there may be a hereditary component involved, as his mother experiences a milder form of the same issue. As for his nutritional habits, he maintains a well-rounded diet that incorporates a variety of foods without adhering to strict dietary categories such as vegan or vegetarian. His typical meals include an assortment of vegetables, various meats, and staples like bread, rice, or potatoes.

Crohn's DiseaseThyroid DisordersInternal Medicine

Answers (1)

Cony

2/8/2026, 12:10:33 PM

OpenHealth AI

It sounds like you're dealing with a complex situation that has a significant impact on your life. Chronic diarrhea can be influenced by various factors, and since you've mentioned that it began again after food poisoning and seems linked to chills, it’s understandable to want clarity and effective management.

Main Points:

  1. Potential Causes: Your chronic diarrhea may be influenced by post-infectious causes, possible food intolerances, or a hereditary component, given your family history.
  2. Symptom Pattern: The correlation with chills may suggest a possible link to your body's response to temperature changes or stress.
  3. Treatment Considerations: It's essential to ensure that the treatment you’re on is appropriate and not overly strong for your situation.

Explanation:

  • Post-Infectious Diarrhea: After an episode of food poisoning, some individuals experience lingering gastrointestinal symptoms due to changes in gut flora or inflammation. This could explain why your diarrhea returned after the trip to China.
  • Food Intolerance: Even without known allergies, your gut may react to certain foods when combined with other factors like stress or temperature changes.
  • Hereditary Factors: Since your mother experiences a milder form of similar symptoms, there could be a genetic predisposition at play that affects how your digestive system functions.

Prioritized Next Steps:

  1. Symptom Tracking: Keep a detailed diary of your symptoms, noting specific food intake, occurrences of chills, and any stress factors. This may help identify specific triggers for your diarrhea and allow for more tailored management.

  2. Dietary Review: Consider if any particular foods (like dairy, gluten, or high-fiber items) might aggravate your symptoms. Trying an elimination diet, under guidance, may help identify sensitivities.

  3. Medication Adjustment: If you feel your current treatment is too strong, monitor how it affects your symptoms and discuss the possibility of adjusting the dosage or switching medications based on your symptom diary.

  4. Hydration & Nutrition: Focus on staying well-hydrated, especially considering the frequency of diarrhea, and ensure your diet remains balanced to support overall health.

  5. Stress Management: Since chills may correlate with stress, incorporate stress-reducing activities (like yoga or mindfulness) into your daily routine to see if it affects your symptoms positively.

If your symptoms persist or worsen, consider following up with a gastroenterologist for a thorough evaluation, potentially including tests to rule out conditions like Irritable Bowel Syndrome (IBS) or inflammatory diseases.

Take care, and I'm here if you have more questions or need further assistance!

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