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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Zahra Rafighi

Zahra Rafighi

Nutritionist & Dietitian

Dr. Zahra Rafighi is a distinguished nutrition specialist. She graduated from Putra University, Malaysia, and has completed various courses in […]

Iran, Qom