Irritable bowel syndrome

โ“ What Is IBS?

Irritable Bowel Syndrome (IBS) is a chronic functional disorder of the digestive system. It affects how the gut moves and processes food, causing abdominal discomfort, bloating, and changes in bowel habitsโ€”without any visible damage to the intestines.

Itโ€™s common, long-term, and not dangerous, but it can significantly affect daily life.


๐Ÿ” Causes (not fully understood):

  • Abnormal gut muscle contractions
  • Oversensitive nerves in the digestive tract
  • Stress or anxiety
  • Imbalance in gut bacteria
  • Post-infection IBS (after a stomach bug or food poisoning)

๐Ÿ“‹ Types of IBS:

TypeMain Symptom
IBS-CConstipation-predominant
IBS-DDiarrhea-predominant
IBS-MMixed (both diarrhea and constipation)

โš ๏ธ Common Symptoms:

  • Abdominal pain or cramping (often relieved by a bowel movement)
  • Bloating and gas
  • Diarrhea, constipation, or both
  • Mucus in the stool
  • Urgency to go
  • Feeling of incomplete bowel movements

๐Ÿ” Symptoms often come and go in flares.


๐Ÿฉบ Diagnosis:

  • Based on symptoms (Rome IV criteria)
  • Rule out other conditions (e.g. celiac, IBD, infections)
  • May involve:
    • Blood/stool tests
    • Colonoscopy (if red-flag symptoms like bleeding or weight loss are present)

๐Ÿ’Š Treatment & Management:

๐Ÿ  Lifestyle & Diet:

  • High-fiber diet (for IBS-C), or low-FODMAP diet (for bloating/gas)
  • Avoid triggers like:
    • Caffeine
    • Fatty foods
    • Dairy (if lactose intolerant)
    • Artificial sweeteners
  • Stress management: meditation, yoga, CBT

Medications (based on symptoms):

  • Laxatives (for constipation)
  • Anti-diarrheal meds (like loperamide)
  • Antispasmodics (for cramping)
  • Probiotics (may help some)
  • Prescription drugs (e.g., linaclotide, rifaximin, eluxadoline)

๐Ÿ›ก๏ธ Key Points:

  • IBS does not cause cancer or permanent damage
  • Itโ€™s manageable, but often needs a mix of diet, stress reduction, and medication
  • Track symptoms with a food & symptom diary to identify triggers
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