Symptoms

Intestinal gas in adults

Intestinal gas in adults can be caused by a variety of factors, including dietary choices, digestive issues, and lifestyle habits. Here are some common causes:

1. Dietary Factors

  • High-Fiber Foods: Foods like beans, lentils, broccoli, cabbage, and whole grains can produce gas during digestion.
  • Carbonated Beverages: Sodas, beer, and sparkling water release carbon dioxide, which can increase gas in the digestive system.
  • Sugars and Sweeteners: Lactose (in dairy products), fructose (in fruits and sweeteners), and artificial sweeteners like sorbitol and mannitol can cause gas in people who have difficulty digesting them.
  • Starchy Foods: Potatoes, corn, and wheat can produce gas during digestion.
  • Fatty Foods: High-fat meals can slow digestion, leading to gas buildup.

2. Swallowing Air (Aerophagia)

  • Eating or drinking too quickly.
  • Chewing gum or sucking on hard candies.
  • Drinking through a straw.
  • Smoking.
  • Talking while eating.

3. Digestive Disorders

  • Irritable Bowel Syndrome (IBS): A common condition that can cause bloating, gas, and abdominal discomfort.
  • Lactose Intolerance: Inability to digest lactose, a sugar found in dairy products.
  • Fructose Malabsorption: Difficulty digesting fructose, found in fruits and sweeteners.
  • Celiac Disease: An autoimmune reaction to gluten that can cause gas and other digestive symptoms.
  • Small Intestinal Bacterial Overgrowth (SIBO): An overgrowth of bacteria in the small intestine that produces excess gas.
  • Gastroesophageal Reflux Disease (GERD): Can cause excessive swallowing of air.

4. Medications

  • Certain medications, such as antibiotics, laxatives, and fiber supplements, can disrupt gut bacteria or digestion, leading to gas.

5. Constipation

  • Slowed digestion can cause gas to build up in the intestines.

6. Food Intolerances

  • Difficulty digesting certain foods, such as gluten or dairy, can lead to gas and bloating.

7. Changes in Gut Bacteria

  • Imbalances in the gut microbiome (dysbiosis) can lead to increased gas production.

8. Stress and Anxiety

  • Stress can affect digestion and lead to symptoms like gas and bloating.

9. Post-Surgical Effects

  • Abdominal or gastrointestinal surgery can sometimes alter digestion and cause gas.

10. Other Medical Conditions

  • Conditions like pancreatitis, Crohn’s disease, or ulcerative colitis can cause excessive gas as a symptom.

Managing Intestinal Gas

  • Dietary Adjustments: Identify and limit gas-producing foods.
  • Eat Slowly: Avoid swallowing excess air by eating and drinking slowly.
  • Probiotics: May help balance gut bacteria and reduce gas.
  • Over-the-Counter Remedies: Products like simethicone or activated charcoal can help reduce gas.
  • Exercise: Physical activity can aid digestion and reduce gas buildup.

If excessive gas is persistent, painful, or accompanied by other symptoms (e.g., weight loss, diarrhea, or blood in stool), consult a healthcare provider to rule out underlying conditions.

Dr. R. Sheydaei is a medical doctor with extensive experience in clinical practice and medical writing. With a passion for education and patient care, Dr. Sheydaei founded www.imydoctor.com to bridge the gap between complex medical knowledge and everyday health decisions.