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Functional Bowel Disorders and Irritable Bowel Syndrome Symptoms
Symptoms of functional bowel disorders include:
- Nausea
- Bloating
- Cramping below the belly button.
- Stomach pain
- Constipation
- Diarrhea
Functional bowel disorders are very common. Millions of people have some type of functional bowel disorder.
Comprehensive Diagnosis for Functional Bowel Disorders
In the Functional Bowel Disorders Clinic, our multidisciplinary team is committed to making the right diagnosis, and ruling out any other conditions, such as an inflammatory bowel disease like Crohn’s disease or ulcerative colitis. To diagnose, we perform a comprehensive examination and collect a thorough history. Rome III criteria, a set of criteria developed by experts on digestive diseases (including experts from the University of Michigan) to help determine functional bowel disorders, is also used to assess your symptoms.
- Your symptoms must have begun at least 6 months ago
- You have stomach pain or discomfort for at least 3 days a month for the last 3 months
- At least two of the following statements are true: Pain is relieved by having a bowel movement; pain is linked to a change in how often you have a bowel movement; pain is linked to a change in the appearance of your stool.
To meet Rome III criteria for functional dyspepsia:
- Your symptoms must have begun at least 6 months ago
- You have one or more of the following symptoms: Bothersome fullness after eating a meal; you become full quickly while eating; pain in upper central portion of the abdomen; burning in upper central portion of the abdomen;
- And there is no evidence of structural disease that is likely to explain the symptoms.
Your doctor may order tests through our comprehensive gastrointestinal lab to rule out other conditions, which can include:
- Colonoscopy and flexible sigmoidoscopy: Used for initial diagnosis, both use a thin, flexible fiberoptic scope with camera to examine different areas, including the colon, small intestine and large intestine to see any ulcers, bleeding and inflammation.
- Upper endoscopy: Uses a thin, flexible fiberoptic scope with camera inserted through the mouth, following the tract to the stomach and upper small intestine to look for bleeding, ulcers and inflammation.
- Esophageal manometry: Uses a thin, flexible tube to measure the muscles of the esophagus and the function of the lower esophageal sphincter to see how well you are swallowing and digesting food.
- Anorectal manometry: A thin, flexible tube with a balloon at the end is inserted into the rectum to measure the tone in the anal sphincter and rectal muscles to determine problems with moving the bowels.
- Laboratory tests: Blood work plus stool samples to check for bacteria and intestinal bleeding.
- Imaging tests: Collaborating with experts in Radiology for imaging and interpreting gastrointestinal abnormalities, including abdominal x-rays, barium enema, computed tomography (CT scan), magnetic resonance imaging (MRI) and assessment of stomach emptying.
Treatment Options for Irritable Bowel Syndrome and Functional Dyspepsia
There are no cures for functional bowel disorders. Patients suffering from these gastrointestinal disorders will all experience abdominal pain and discomfort, but then have varying degrees of constipation, diarrhea, bloating and urgency. To treat effectively, it’s important for our team—which includes gastrointestinal physicians, a board-certified dietician, physical therapists, and a behavioral therapist—to understand your frequency and severity of symptoms, from being a nuisance to mapping out every bathroom from home to the workplace to avoid an accident, so we can create an individualized plan that’s right for you.
Clinical trials are an option for those who qualify. We are a key site for the development of virtually every drug to treat IBS in the last 10 years.
Clinical Research Studies at the Functional Bowel Disorders Clinic
- Click on the Volunteers heading
- In the drop-down menu, click on Find Studies
- On the next page, click on Search by Condition
- The next page will be a list of conditions—scroll down to Stomach/Esophagus/Bowel Conditions
Other Information About Digestive and Liver Health
To see related gastroenterological services we offer, visit our Digestive and Liver Health overview page.
Make an Appointment
To schedule an appointment to discuss your need for treatment for Irritable Bowel Syndrome or another functional bowel disorder, call us at 888-229-7408.