1.9K Reviews | 4.7 Star Rating | 20+ years of experience | 72k+ Patients Treated
Diarrhea
At GastroDoxs in Houston, Dr. Scott offers comprehensive diarrhea care. Utilizing in-depth evaluations, tailored treatments, and state-of-the-art diagnostics, his team addresses both acute and chronic cases. From dietary guidance to advanced procedures, count on personalized solutions for lasting digestive wellness.
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.
What Is Diarrhea?
Loose, watery stools three or more times a day
May be acute (short-term) or chronic (long-lasting)
Often accompanied by stomach cramps, bloating or urgency
If untreated, can lead to dehydration and nutrient loss
Common Causes and Risk Factors
Infections: viruses, bacteria or parasites
Medications: antibiotics and other drugs that upset your gut
Food intolerances: lactose or gluten sensitivity
Stress: which can speed up digestion
Pregnancy: early hormonal changes
Travel: exposure to unfamiliar bacteria (“traveler's diarrhea”)
He reviews your symptom onset, stool frequency, diet, travel history, medications and details of your epigastric pain (location, timing, relation to meals).
Stool Studies
Stool samples are analyzed for infectious pathogens (bacteria, viruses, parasites), inflammatory markers and signs of malabsorption.
Blood Tests
Comprehensive labs check for dehydration (electrolytes), infection or inflammation (CBC, CRP), liver and pancreatic enzymes.
Endoscopy & Imaging
Upper endoscopy (EGD) to inspect the esophagus, stomach and duodenum for ulcers or gastritis causing epigastric pain.
Abdominal ultrasound or CT scan to evaluate the pancreas, gallbladder and small bowel when indicated.
Advanced Testing (if needed)
Capsule endoscopy or targeted biopsies during endoscopy may be performed for elusive small-bowel or mucosal disorders.
Treatment
Our Team offers a full range of care for diarrhea treatment.
1. Diet and Lifestyle Modifications
Stay hydrated with water or oral rehydration solutions
Eat bland foods like bananas, rice, applesauce, and toast
Avoid dairy, greasy foods, caffeine, and alcohol
2. Medications
Anti-diarrheal agents (e.g., loperamide) for short-term relief
Probiotics to help restore healthy gut bacteria
Antibiotics if a bacterial infection is confirmed
3. Minimally Invasive or Advanced Procedures
Sigmoidoscopy or colonoscopy to evaluate the colon
Capsule endoscopy to view the small intestine
Imaging studies (CT/MRI) for complex or chronic cases
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.
Frequently Asked Questions
Is diarrhea a sign of pregnancy?
Yes. Hormone changes can cause mild diarrhea early on in pregnancy.
What is the ICD-10 code for diarrhea?
The code is A09 for unspecified infectious or non-infectious diarrhea.
Can antibiotics cause diarrhea?
Yes. Antibiotics can disrupt your gut bacteria, and taking probiotics may help restore balance.
Can stress cause diarrhea?
Yes. Stress can speed up digestion and lead to loose, watery stools.
When should I see a doctor for diarrhea?
If diarrhea lasts more than two days, you have a fever, notice blood in your stool, or feel dizzy, you should seek medical attention.
How do I avoid traveler's diarrhea?
Drink bottled or purified water, avoid street food, and peel fruits yourself to reduce your risk.
What foods should I avoid during a flare of diarrhea?
Avoid dairy, spicy foods, raw vegetables, greasy meals, caffeine, and alcohol until your symptoms improve.
