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Nervous Bowel & IBS Care in Katy
Nervous Bowel Treatment in Katy, TX
Cramping, urgent trips to the bathroom, bloating or constipation that flare with stress are often called a “nervous bowel.” At the United Gastroenterology Associates office in Katy, board-certified gastroenterologist Dr. Muhammad Ali Khan finds out what is behind these symptoms and builds a treatment plan that calms them, whether the cause is irritable bowel syndrome (IBS) or another digestive condition.
Nervous bowel and IBS care at the Katy office
Meet Your Katy IBS Specialist: Muhammad Ali Khan, MD, FACP, FASGE
BOARD-CERTIFIED Gastroenterologist and Hepatologist
CREDENTIALS AT A GLANCE
Board-Certified
Gastroenterology, hepatology, and internal medicine
Academic Medicine
Former Associate Professor, UT MD Anderson Cancer Center
Published Research
More than 100 peer-reviewed articles in gastroenterology
FACP and FASGE
Fellow, American College of Physicians and American Society for Gastrointestinal Endoscopy
Dr. Muhammad Ali Khan, MD, FACP, FASGE
Board-certified gastroenterologist and hepatologist, United Gastroenterology Associates
Dr. Muhammad Ali Khan, MD, FACP, FASGE, is a board-certified gastroenterologist and hepatologist who sees patients at the United Gastroenterology Associates offices in Cypress and Katy. He evaluates irritable bowel syndrome and the conditions that can mimic it, and performs colonoscopy and upper endoscopy when testing is needed.
Dr. Khan earned his medical degree at Dow Medical College, completed an internal medicine residency at the University of Toledo, and completed a gastroenterology and hepatology fellowship at the University of Tennessee Health Science Center. He served as an Assistant Professor at the University of Alabama at Birmingham and as an Associate Professor at The University of Texas MD Anderson Cancer Center.
He is board-certified in gastroenterology, hepatology, and internal medicine, is a Fellow of the American Society for Gastrointestinal Endoscopy (FASGE) and the American College of Physicians (FACP), and has authored more than 100 peer-reviewed articles. Read Dr. Khan’s full profile.
Professional Memberships
- American College of Gastroenterology
- American Society for Gastrointestinal Endoscopy (Fellow)
- American Gastroenterological Association
- American College of Physicians (Fellow)
- Texas Medical Association
- Texas Society of Gastroenterology & Endoscopy
Areas of Care
- Irritable bowel syndrome (IBS)
- Stress-related bowel symptoms
- Chronic diarrhea and constipation
- Bloating and gas
- Crohn’s disease and ulcerative colitis
- Colonoscopy and upper endoscopy
What Is a Nervous Bowel?
“Nervous bowel” is an everyday name for bowel symptoms that flare with stress, worry or tension. It is not a formal diagnosis. When these symptoms keep coming back, the medical condition behind them is most often irritable bowel syndrome (IBS), a disorder of gut-brain interaction that has also been called “spastic colon” or “nervous colon.”
In IBS, the nerves and muscles of the intestine are more sensitive and react more strongly to food, gas and stress signals from the brain. The result is recurring abdominal pain together with diarrhea, constipation or both. IBS does not damage the bowel or cause cancer, but it can affect work, sleep, travel and daily life.
Because the same symptoms can come from other conditions, nervous bowel treatment in Katy starts with an accurate diagnosis rather than guesswork.
Irritable bowel syndrome overview · IBS specialist in Katy · Spastic or sensitive bowel?
Board-Certified
Gastroenterology, hepatology, and internal medicine
Academic Medicine
Former Associate Professor, UT MD Anderson Cancer Center
Published Research
More than 100 peer-reviewed articles in gastroenterology
FACP and FASGE
Fellow, American College of Physicians and American Society for Gastrointestinal Endoscopy
What Are the Symptoms of a Nervous Bowel?
Nervous bowel symptoms usually come and go. Many people notice them before an important meeting, during a stressful week, after certain meals or when their routine changes.
The pattern matters: pain that eases after a bowel movement, and bowel habits that change with flares, are typical of IBS.
Common nervous bowel symptoms
- Abdominal pain or cramping, often in the lower belly
- Sudden urgency to have a bowel movement
- Loose or watery stools
- Constipation or hard, lumpy stools
- Alternating diarrhea and constipation
- Bloating and a swollen feeling
- Extra gas
- Mucus in the stool
- A feeling that the bowel has not fully emptied
These symptoms are not specific to IBS. A qualified medical professional should evaluate them, especially if they are new or changing.
What Can Trigger Nervous Bowel Flares?
Triggers do not cause IBS, but they can set off symptoms in a sensitive gut. Knowing yours helps focus treatment.
Stress and Anxiety
Stress signals travel along the gut-brain axis and can speed up or slow down the bowel and heighten pain.
Certain Foods
Foods high in fermentable carbohydrates (FODMAPs), fatty or fried meals, and large meals are common triggers.
Caffeine and Alcohol
Coffee, energy drinks and alcohol can stimulate the bowel and worsen urgency or loose stools.
Poor Sleep and Irregular Meals
Skipped meals, late-night eating and short sleep can make symptoms harder to control.
Hormonal Changes
Many women notice that symptoms change around the menstrual cycle.
A Past Stomach Infection
Some people develop IBS after a bout of gastroenteritis, known as post-infectious IBS.
Read more about stress, IBS and abdominal pain.
Get Answers for Your Nervous Bowel in Katy
If stress-related cramping, urgency, diarrhea or constipation keeps interrupting your day, Dr. Khan can evaluate your symptoms at the Katy office on I-10.
How Is a Nervous Bowel Diagnosed?
There is no single test for IBS. Dr. Khan combines your history and an exam with targeted tests only when they will answer a specific question, so you get a clear diagnosis without unnecessary procedures.
History and Symptom Pattern
How long symptoms have lasted, how pain relates to bowel movements, your stool pattern, diet, stress, medications and family history. Doctors use the Rome IV criteria to recognize IBS.
Targeted Lab Tests
Blood and stool tests may check for anemia, celiac disease, infection or intestinal inflammation, depending on your symptoms.
Colonoscopy When Needed
Recommended for warning signs, a family history of colon cancer or IBD, or when you are due for colorectal cancer screening.
Many people with typical symptoms and no warning signs need only limited testing.
What Does Nervous Bowel Treatment Include?
Treatment is matched to your main symptoms, whether that is pain, diarrhea, constipation or bloating, and it is adjusted at follow-up visits.
Diet Adjustments
Finding food triggers and, when appropriate, a short, guided low-FODMAP diet with a dietitian.
Soluble Fiber
Soluble fiber such as psyllium can ease symptoms for some people, especially with constipation.
Symptom-Targeted Medication
Medicines chosen for constipation, diarrhea or abdominal pain after reviewing your history and other medications.
Gut-Brain Therapies
Stress management, cognitive behavioral therapy and gut-directed hypnotherapy can reduce how strongly the bowel reacts.
Treating Overlapping Problems
Addressing SIBO, lactose intolerance, bile acid problems or pelvic floor issues if testing finds them.
Follow-Up
Regular check-ins to track progress and change the plan until symptoms are under control.
This information is educational and is not a treatment plan. Do not start or stop medication without medical advice.
When Is It More Than a Nervous Bowel?
Some symptoms are not typical of IBS and should be checked promptly by a doctor:- Blood in the stool or black stools
- Unintentional weight loss
- Diarrhea or pain that wakes you from sleep
- Fever or persistent vomiting
- Iron-deficiency anemia
- New bowel changes after age 45
- A family history of colon cancer, IBD or celiac disease
For heavy bleeding, fainting or severe abdominal pain, call 911 or go to the nearest emergency room.
IBS vs IBD · Rectal bleeding specialist · Chronic diarrhea care
Nervous Bowel Care Near Katy: Driving Distances
The Katy office is on the Katy Freeway (I-10) just west of the Grand Parkway (TX-99), within easy reach of west Fort Bend and Waller County communities.
Katy
About 2.4 miles, roughly 5 minutes to the Katy office.
Cane Island
About 4.2 miles, roughly 10 minutes to the Katy office.
Cinco Ranch
About 5.2 miles, roughly 12 minutes to the Katy office.
Firethorne
About 5.3 miles, roughly 12 minutes to the Katy office.
Elyson
About 9.1 miles, roughly 16 minutes to the Katy office.
Cross Creek Ranch
About 9.8 miles, roughly 20 minutes to the Katy office.
Brookshire
About 10.7 miles, roughly 15 minutes to the Katy office.
Fulshear
About 13.7 miles, roughly 21 minutes to the Katy office.
Pattison
About 14.7 miles, roughly 21 minutes to the Katy office.
Distances and times are estimates from OpenStreetMap driving routes without traffic, measured from the center of each community. Actual travel time depends on traffic and your exact starting point. Nervous bowel treatment for other areas: Cypress · Fulshear · Spring · Houston.
Visit Our Katy Office for Nervous Bowel Treatment
Dr. Khan sees patients with nervous bowel and IBS symptoms at 23920 Katy Freeway, Suite 555, Katy, TX 77494, on the Katy Freeway (I-10) frontage road near the Grand Parkway (TX-99). Patients from Cinco Ranch, Firethorne and Fulshear usually reach the office by the Grand Parkway, and patients from Brookshire and Pattison by I-10. The building has parking and elevator access to Suite 555.
United Gastroenterology Associates – Katy Office
Katy office – Katy Freeway (I-10) near the Grand Parkway
- Address: 23920 Katy Freeway, Suite 555, Katy, TX 77494
- Phone: (346) 340-4414
- Hours: Monday–Friday, 8:30 AM–5:00 PM (closed 12:00–1:30 PM for lunch; last appointment 4:30 PM)
Get directions to the Katy office · Katy gastroenterologist · IBS specialist in Katy
Insurance and Self-Pay Options
United Gastroenterology Associates accepts most major insurance plans, including the carriers shown here. Coverage for visits, testing, and procedures depends on your plan, so the office verifies your benefits before your appointment. Self-pay options are available.
A carrier logo does not guarantee coverage for a specific plan or service. Call (346) 340-4414 to confirm your benefits.
What Patients Say About Dr. Khan
These reviews were shared by patients of United Gastroenterology Associates and are published on the practice website.
“Dr. Khan is an exceptionally kind and compassionate physician. He truly listens to his patients and takes the time to explain everything clearly and thoroughly. His treatment plans are straightforward and easy to understand, and he provides a very personalized, attentive level of care. I felt respected, heard, and genuinely cared for throughout my visit.”
Maria Andreina Behrens · Katy
“Dr Kahn and his staff are AWESOME. He is thorough, kind, listens and puts you at ease. The staff are patient and very helpful. I was so afraid of having a colonscopy. Dr Kahn was wonderful. My procedure went so well. It was over and done with in what seemed like a minute! So expect that! Dr Kahn is excellent, I trust him completely. And I recommend him, and his staff.”
Steph Apie · Fulshear
“Dr. Khan is an amazing physician. He is so kind hearted & wants to help you in every way possible. He listens & doesn’t make you feel rushed. I feel so comfortable talking to him about anything. I am so glad to have him as my gastro doctor. His staff is outstanding as well. Shout out to Dr. Khan & his staff.”
Donna LaPlante · Cypress
How to Schedule a Nervous Bowel Appointment
Scheduling with United Gastroenterology Associates takes three steps. Request an appointment online or by phone and choose the Cypress or Katy office.
Request an appointment
Call (346) 340-4414 or use the online request form and choose “IBS / Digestive Symptoms” as the reason for your visit.
Share your records
Bring recent lab results, imaging reports, a medication list, and any referral. The office verifies your insurance or explains self-pay options.
Meet Dr. Khan
Dr. Khan reviews your history and results, explains what they mean, and recommends next steps, which may include further testing.
Nervous Bowel Treatment in Katy: FAQs
Answers to common questions about nervous bowel symptoms and IBS care at the Katy office.
Is a nervous bowel the same as IBS?
“Nervous bowel” is an informal term. When bowel symptoms linked to stress keep coming back, the medical diagnosis is usually irritable bowel syndrome (IBS), but a doctor needs to rule out other causes first.
Can stress really cause bowel problems?
Yes. The brain and gut communicate through the gut-brain axis, so stress and anxiety can change how fast the bowel moves and how strongly you feel pain. Stress triggers flares but is rarely the only factor.
What kind of doctor treats a nervous bowel?
A gastroenterologist. A gastroenterologist can confirm whether your symptoms are IBS, check for conditions that look similar, and recommend treatment matched to your symptom pattern.
What is the best nervous bowel treatment?
There is no single best treatment. Most plans combine diet changes, fiber, targeted medication and gut-brain approaches, chosen for your main symptoms and adjusted over time.
Do I need a colonoscopy for nervous bowel symptoms?
Not always. Many people with typical symptoms and no warning signs do not need one. A colonoscopy may be recommended for bleeding, weight loss, anemia, a family history of colon cancer or IBD, or when you are due for screening.
Can a nervous bowel be cured?
IBS is usually long-term, but most people can control their symptoms well with the right combination of treatments.
Where can I get nervous bowel treatment in Katy?
Dr. Muhammad Ali Khan sees patients at 23920 Katy Freeway, Suite 555, Katy, TX 77494. Call (346) 340-4414 or request an appointment online.
Do I need a referral?
Many patients can schedule directly. Some insurance plans require a referral, so the office can confirm based on your plan.
Schedule Nervous Bowel Treatment in Katy
Stop planning your day around your bowels. Schedule a visit with Dr. Khan at the Katy office to find the cause of your symptoms and start a plan that works. Call (346) 340-4414 or request an appointment online.
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Sources
- National Institute of Diabetes and Digestive and Kidney Diseases. Irritable Bowel Syndrome (IBS). niddk.nih.gov
- Lacy BE, Pimentel M, Brenner DM, et al. ACG Clinical Guideline: Management of Irritable Bowel Syndrome. Am J Gastroenterol. 2021;116(1):17–44. doi.org/10.14309/ajg.0000000000001036
- Rome Foundation. Rome IV Criteria. theromefoundation.org
This page provides general educational information and does not replace medical advice, diagnosis, or treatment. Symptoms should be evaluated by a qualified medical professional. “Nervous bowel” is an everyday term, not a formal diagnosis; only a medical evaluation can confirm the cause of bowel symptoms. For a medical emergency, call 911. Content reviewed by United Gastroenterology Associates, PLLC. Last updated September 27, 2026.