What are the 10 Disorders of the Digestive System?

The 10 Common Digestive System Disorders

1. Constipation

• What is it? There is difficulty in passing stools.
• Which body part does it affect? The parts of the large intestine, i.e, colon and rectum.
• Common cause: A Diet low in fiber, poor hydration, inactive lifestyle.
• Common symptoms: Hard, dry stools, straining, abdominal discomfort.
• How to prevent it? Eat more fiber, drink lots of water, and engage in physical activity.

2. Irritable Bowel Syndrome (IBS)

• What is it? A common, chronic disorder of gut-brain interaction leading to abdominal pain and bowel habit changes.
• Which body part does it affect? Affects your lower GI (gastrointestinal) tract, i.e, small intestine and large intestine (colon).
• Common cause: The exact cause of IBS isn’t known; some common causes are cut-brain axis changes, stress, infections, and certain foods.
• Common symptoms: Bloating, belly pain, diarrhea or constipation, mucus in stool, and gas.
• How to prevent it? Follow doctor’s advice, manage stress, avoid trigger foods, changes in your diet, eat regular small meals, stay hydrated.

3. Hemorrhoids (Also Known as Piles)

• What is it? Swollen veins in the anus and lower rectum
• Which body part does it affect? Anus and rectum (terminal parts of the digestive system).
• Common cause: Straining with constipation, having anal intercourse, pregnancy, low-fiber diet, sitting too long.
• Common symptoms: Pain, itching, and bleeding during bowel movements.
• How to prevent it? Avoid straining, increase fiber intake, stay hydrated, and don’t sit for long periods.

4. Diverticular Disease

• What is it? Formation of pouches (diverticula) in the colon wall, which can swell (diverticulitis).
• Which body part does it affect? Wall of Colon. Common cause: Low fiber diet, old age (common among people over 50).
• Common symptoms: Abdominal pain (often on the left side), fever, bloating, changes in bowel habits, and sudden diarrhea or constipation.
• How to prevent it? Eat high-fiber foods, maintain a healthy weight, and stay hydrated.

5. Colon Polyps and Cancer

• What is it? Polyps are growths in the colon lining; some can become cancerous.
• Which body part does it affect? Colon and rectum. Common causes: Genetics, family history, poor diet, smoking, and aging.
• Common symptoms: No early symtoms; presence of blood in stool, changed bowel habits later.
• How to prevent it? Get regular screenings, a healthy lifestyle, avoid smoking, and excessive alcohol.

6. Colitis

• What is it? Swelling of the colon. It can be ulcerative or infectious.
• Which body part does it affect? Colon and rectum.
• Common causes: Autoimmune reaction, infections, inflammatory bowel diseases, and allergy to the protein.
• Common symptoms: Abdominal pain, bloating, watery diarrhea, loss of appetite, mucus or blood in your poop.
• How to prevent it? Follow the doctor’s advice, a healthy diet, elimination diet, avoiding infections, managing stress, and regular medical care for autoimmune conditions.

7. Celiac Disease (affect 1 in 100 people worldwide)

• What is it? A serious autoimmune disease triggered by gluten that damages the small intestine.
• Which body part does it affect? Small intestine.
• Common cause: Ingestion of gluten (wheat, barley, rye).
• Common symptoms: Abdominal pain, depression and anxiety, iron-deficiency anemia, bloating and gas, and cognitive impairment. How to prevent it? Strict gluten-free diet.

8. Gastritis

• What is it? A group of conditions that causes inflammation of the stomach lining.
• Which body part does it affect? Stomach.
• Common causes: Infection (H. pylori), Crohn's disease, certain medicines (NSAIDs), alcohol.
• Common symptoms: Nausea, indigestion, loss of appetite, and stomach pain or discomfort.
• How to prevent it? Avoid irritating foods and drugs, don’t smoke or drink excess alcohol.

9. Gastroenteritis

• What is it? Infection or irritation of the stomach and intestines. Viral gastroenteritis, also known as "stomach flu."
• Which body part does it affect? Stomach and intestines.
• Common cause: Viral, parasitic, fungal, or bacterial infection, contaminated food/water.
• Common symptoms: Diarrhea, vomiting, abdominal pain and cramping, loss of appetite, and fever.
• How to prevent it? Wash hands, eat safe food, and maintain hygiene.

10. Acid Reflux/GERD

• What is it? The backward flow of stomach acid into the esophagus (food pipe).
• Which body part does it affect? Esophagus and stomach. Common cause: Weak esophageal sphincter, pregnancy, smoking, obesity, and certain foods.
• Common symptoms: Heartburn, a burning feeling, sore throat, chest discomfort, trigger asthma-like symptoms, and regurgitation.
• How to prevent it? Eat smaller meals, avoid trigger foods, stay at a healthy weight, and don’t lie down after eating.

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