Irritable Bowel Syndrome

Unhealthy young woman with stomachache leaning on the bed at home.

Overview

Irritable Bowel Syndrome (IBS)

Irritable bowel syndrome (IBS) is a common intestinal disorder.  Some people with IBS have minor and occasional symptoms, while others have significant symptoms that can disrupt their daily activities. The cause of irritable bowel syndrome is not well understood. Some common symptoms may include cramping, abdominal pain, bloating, flatulence, constipation and/or diarrhea.  IBS is typically a chronic condition that will need long-term management.   

You should see your Saint John’s Physician Partners doctor if you have persistent change in bowel habits or other symptoms of IBS since they may indicate a more serious condition. 

Symptoms

Irritable Bowel Syndrome Symptoms

The signs and symptoms of IBS vary but are usually present for a long time. You should see your Saint John’s Physician Partners doctor if you have symptoms that may indicate a more serious condition. The most common symptoms include: 

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Abdominal cramping or bloating

are common symptoms of irritable bowel syndrome (IBS)

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Bowel movement changes

Changes in how often you’re having a bowel movement including constipation and/or diarrhea.  

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Stools

Changes in the appearance of your stool. 

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Increased gas or mucus in your stool. 

is not unusual with IBS

Signs and symptoms that suggest a more serious conditions include: 

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Weight loss

may occur if you reduce the amount or type of food you eat due to the pain and cramping of IBS

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Rectal bleeding

may occur due to constipation, frequent diarrhea, or a tear in your anus

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Fever and chills

can result when you have a flare-up of IBS

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Nausea and vomiting

symptoms may come and go with IBS due to more intense than usual intestinal contractions or abnormal signals between your brain and intestines

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Diarrhea

Diarrhea that is persistent or awakens you from sleep. 

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Persistent pain

Persistent pain that isn’t relieved by passing gas or having a bowel movement. 

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Anemia

Anemia due to low iron.

Diagnosis

Irritable Bowel Syndrome Diagnosis

Besides a medical history and physical exam, your doctor may order the following tests:

Blood tests and stool testing

are helpful to diagnose and monitor your IBS

Flexible sigmoidoscopy or colonoscopy

are valuable tools in identifying inflamed tissue, bleeding, ulcers, or abnormal growths in your digestive tract, but a colonoscopy provides more information than a sigmoidoscopy

Upper endoscopy

is a helpful tool in viewing the inside of your esophagus, stomach, and upper portion of your small intestine (duodenum)

Imaging tests

Imaging tests such as X-rays or CT scan

Barium test

Barium test, sometimes called a lower GI series

A simple blood test

can help identify if you have lactose intolerance, gluten allergy, or celiac disease

Breath test

Breath test for small intestinal bacterial overgrowth

Treatments

Irritable Bowel Syndrome Treatments

There is no cure for IBS and treatment is aimed at relieving symptoms so you can live as normally as possible.  These include: 

  • Lifestyle and dietary changes  
  • Stress reduction 
  • Medication 

Your Saint John’s Physician Partners gastroenterologist will determine, recommend and discuss your specific treatment options as well as risks and benefits so you can make an informed decision on the best treatment for you.   

Specialists

Irritable Bowel Syndrome Specialists

1301 20th St., Suite 280, Santa Monica, CA 90404

1301 20th St., Suite 280, Santa Monica, CA 90404

1301 20th St., Suite 280, Santa Monica, CA 90404

1301 20th St., Suite 280, Santa Monica, CA 90404

1301 20th St., Suite 280, Santa Monica, CA 90404

1301 20th St., Suite 280, Santa Monica, CA 90404