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Abdominal Distension

Experiencing discomfort in your abdomen can disrupt daily life. In Houston, Dr. Scott at GastroDoxs offers expert evaluation and care to pinpoint your abdominal distension's cause. From lifestyle adjustments to advanced minimally invasive procedures, he ensures accurate diagnosis and relief.

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Harris County Medical Society
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American Society for Gastrointestinal Endoscopy
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Scott Liu

About the Expert

Dr. Scott Liu, MD, is a board-certified gastroenterologist with over six years of experience and a background in military medicine. He earned his medical degree from the University of Maryland, Baltimore, completed his Internal Medicine residency at Naval Medical Center Portsmouth, and finished his Gastroenterology fellowship through the National Capital Consortium. Dr. Liu provides comprehensive care for a broad range of digestive conditions, including abdominal pain, acid reflux, liver disease, chronic diarrhea, and colon cancer screening. He is a member of the American College of Gastroenterology and is known for his disciplined, patient-focused approach and clear communication.

Common Causes and Risk Factors

  • Overeating or eating too quickly
  • Gas buildup from carbonated drinks or swallowed air
  • Constipation and infrequent bowel movements
  • Food intolerances (e.g., lactose or gluten intolerance)
  • Irritable Bowel Syndrome (IBS)
  • Small Intestinal Bacterial Overgrowth (SIBO)
  • Gastroesophageal Reflux Disease (GERD)
  • Delayed stomach emptying (Gastroparesis)
  • Hormonal fluctuations (e.g., during menstruation)
  • Abdominal fluid buildup (Ascites)

Signs and Symptoms

  • Visible swelling or bloating of the abdomen
  • A feeling of fullness or tightness in the stomach area
  • Excessive gas or flatulence
  • Abdominal discomfort or cramping
  • Burping or belching
  • Feeling of heaviness after eating
  • Loss of appetite
  • Nausea or queasiness
  • Changes in bowel movements (constipation or diarrhea)
  • Shortness of breath due to pressure on the diaphragm
  • Gurgling or rumbling sounds in the abdomen
  • Sharp or dull abdominal pain

How Dr. Scott Diagnoses Abdominal Distension?

Dr. Scott uses a step-by-step approach:

1. Medical History and Physical Exam

He begins by reviewing your diet, daily habits, bowel patterns, past surgeries, stress levels, and any medications or supplements that may be contributing to bloating.

2. Blood Tests

Laboratory tests help identify possible causes like:

  • Signs of infection or inflammation
  • Thyroid function abnormalities
  • Liver or pancreatic issues
  • Anemia or nutritional deficiencies

3. Breath and Stool Tests

  • Breath tests: Used to detect Small Intestinal Bacterial Overgrowth (SIBO), lactose intolerance, or fructose malabsorption.
  • Stool tests: Evaluate for infections, inflammation, fat malabsorption, and digestive enzyme deficiencies.

4. Imaging Studies

  • Abdominal ultrasound: Assesses for fluid buildup (ascites), gas pockets, organ enlargement, or tumors.
  • CT scan or MRI: Offers more detailed views if mechanical obstruction, hernias, or abnormal growths are suspected.

5. Endoscopy or Colonoscopy

If gastrointestinal inflammation or obstruction is suspected:
Upper endoscopy: Checks for gastritis, ulcers, or delayed gastric emptying.
Colonoscopy: Evaluates for colonic causes like diverticulosis, strictures, or cancer.

6. Functional and Motility Testing (if needed)

  • Gastric emptying scan: Determines if your stomach is emptying too slowly (gastroparesis).
  • Transit studies or motility tests: Measure how food moves through your intestines.

7. Individualized Follow-Up

Based on test results, Dr. Scott may recommend advanced testing, a trial of dietary modifications, or referrals to a nutritionist to identify specific triggers and craft a personalized care plan.

Dr. Scott
Treatment

Our Team offers a full range of care for abdominal distension.

1. Lifestyle and Diet Changes

  • Eat smaller, more frequent meals
  • Avoid fatty, spicy, or acidic foods
  • Drink plenty of water
  • Manage stress with exercise or mindfulness
  • Track foods that trigger pain

2. Medications

  • Antacids or acid blockers for gastritis
  • Antispasmodics for IBS cramps
  • Antibiotics for infections
  • Pain relievers as needed

3. Minimally Invasive or Advanced Procedures

  • Endoscopic removal of gallstones
  • Laparoscopic appendectomy for appendicitis
  • Colonoscopy to find and treat polyps
Scott Liu

About the Author

Dr. Nghia Nguyen, DO, is a board-certified gastroenterologist providing advanced digestive care in the Greater Houston area. He earned his medical degree from the Texas College of Osteopathic Medicine and completed both his Internal Medicine residency and Gastroenterology fellowship at the University of Texas at Rio Grande Valley. Dr. Nguyen specializes in treating conditions such as acid reflux, irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and liver disorders.

Frequently Asked Questions

What is abdominal distension?

Abdominal distension is a sensation of fullness or visible swelling in the belly, often caused by gas, fluid, or digestive issues.

When should I see a doctor for abdominal distension?

Seek medical attention if the distension is persistent, painful, accompanied by weight loss, vomiting, blood in stool, or changes in bowel habits.

Can abdominal distension be caused by food?

Yes. Common triggers include lactose, gluten, carbonated drinks, beans, and high-fat or high-fiber foods.

Does stress make abdominal distension worse?

Yes. Stress can disrupt digestion, slow motility, and worsen symptoms in conditions like IBS, which may lead to bloating and discomfort.

Is abdominal distension the same as bloating?

They are related but not identical. Bloating is the subjective feeling of fullness; distension is the actual increase in abdominal size.

Can constipation lead to abdominal distension?

Absolutely. When stool builds up in the colon, it can cause a bloated, swollen abdomen and discomfort.

How is abdominal distension diagnosed?

Dr. Scott uses physical exams, blood work, stool and breath tests, imaging studies, and sometimes endoscopy or motility testing to find the cause.

Can abdominal distension be a sign of something serious?

In some cases, yes. Conditions like ascites, tumors, bowel obstructions, or liver disease may present with chronic distension and require urgent care.

Will diet changes help reduce abdominal distension?

Yes. Avoiding trigger foods, eating slowly, and following a low-FODMAP or anti-bloating diet can significantly reduce symptoms.

What treatments are available for abdominal distension?

Treatment depends on the cause and may include dietary adjustments, probiotics, medication for motility or gas relief, and treating underlying conditions.

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