Irritable Bowel Syndrome (IBS)

Irritable Bowel Syndrome (IBS) is a chronic functional gut disorder that affects the large intestine. Unlike inflammatory bowel diseases, IBS doesn’t cause structural damage but significantly impacts digestive function.

Common IBS Symptoms

✔ Abdominal pain/cramping (often relieved by bowel movements)
✔ Altered bowel habits:

  • IBS-D (Diarrhea-predominant)

  • IBS-C (Constipation-predominant)

  • IBS-M (Mixed type)
    ✔ Bloating and excessive gas
    ✔ Urgency or incomplete bowel movements

Diagnosing IBS

Doctors use the Rome IV Criteria (symptom-based diagnosis) after ruling out other conditions through:
✓ Medical history review
✓ Physical examination
✓ Basic blood/stool tests (when needed)

Effective IBS Treatment Strategies

1. Dietary Management

• Low FODMAP Diet (temporarily eliminating fermentable carbs)
• Soluble fiber supplementation (psyllium)
• Identifying and avoiding trigger foods
• Smaller, frequent meals

2. Medications

  • Antispasmodics (for cramping)

  • Laxatives (IBS-C)

  • Anti-diarrheals (IBS-D)

  • Gut-directed antibiotics (rifaximin)

  • Probiotics

3. Stress & Lifestyle Modifications

✓ Regular exercise
✓ Mindfulness/meditation
✓ Cognitive Behavioral Therapy (CBT)
✓ Improved sleep hygiene

When to See a Doctor

Consult a gastroenterologist if you experience:
⚠ Unexplained weight loss
⚠ Rectal bleeding
⚠ Persistent pain at night
⚠ Family history of IBD/celiac disease

“While IBS can’t be cured, most patients achieve significant symptom relief through personalized diet, stress management, and targeted medications.”

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Kaynoosh Homayouni

Kaynoosh Homayouni

Physiatrist

Dr. Kaynoosh Homayouni is a distinguished specialist in Physical Medicine and Rehabilitation based in Shiraz, Iran. With extensive experience in […]

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Hanie Ghane

Hanie Ghane

Pediatrician

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Parisa Rahmani

Parisa Rahmani

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Yeganeh Kian

Yeganeh Kian

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Yeganeh Kian is an experienced nutritionist and diet therapy specialist in Tehran with 9+ years in clinical nutrition and 5+ years of hospital practice. She is […]

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Abbas Zolfaghari

Abbas Zolfaghari

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Dr. Abbas Zolfaghari is a distinguished gastroenterologist based in Tehran, renowned for his extensive expertise in internal medicine and gastroenterology. […]

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Zohreh Dadvar

Zohreh Dadvar

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Dr. Zohreh Dadvar is a distinguished gastroenterologist based in Tehran, renowned for her extensive experience and expertise in the field […]

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Dr. Roxana Abbasi is a prominent Internist based in Tehran, known for her extensive expertise in internal medicine, gastroenterology, and […]

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Mohammad Amani

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Dr. Mohammad Amani is a distinguished gastroenterologist based in Tehran, renowned for his expertise in gastroenterology, hepatology, and endoscopy. With […]

Iran, Tehran
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Mohammad Reza Abbasi

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Dr. Mohammad Reza Abbasi is a distinguished gastroenterologist based in Tehran, renowned for his expertise in diagnosing and treating a […]

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Mohammad Bagher Miri

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Dr. Mohammad Bagher Miri is a distinguished gastroenterologist and liver specialist, recognized for his extensive expertise and commitment to patient […]

Bandar Abbas, Iran