Irritable Bowel Syndrome (IBS)

Last Updated: July 3, 2026

Key Points

Common digestive system condition
Causes stomach cramps, bloating, and diarrhea
Usually a lifelong condition
Managed with lifestyle changes and medicine

Overview

Irritable Bowel Syndrome (IBS) is a widespread condition that impacts the large intestine. It's considered a functional gastrointestinal disorder, meaning there's no visible damage or disease in the digestive tract, but the gut doesn't function as it should. While the exact cause is unknown, factors like gut-brain axis dysfunction, gut sensitivity, and changes in gut bacteria are thought to play a role. People with IBS experience a range of uncomfortable digestive symptoms that can significantly affect their daily lives. These symptoms often come and go, varying in intensity over time. IBS is not linked to more serious conditions like colon cancer or inflammatory bowel disease, but it can be very disruptive. Management focuses on relieving symptoms and improving quality of life. This often involves dietary adjustments, stress reduction techniques, and various medications. Although IBS is a chronic condition, many people find effective ways to control their symptoms and lead fulfilling lives.

Signs and Symptoms

Stomach cramps or pain
Bloating
Excess gas
Diarrhea
Constipation
Alternating diarrhea and constipation
Mucus in stool
Feeling of incomplete bowel movement

Things That Increase the Risk

Stress and anxiety
Certain trigger foods
Previous severe gut infection
Family history of IBS
Being female
Younger age (under 50)

Diagnosis

Review of symptoms and medical history
Physical examination
Blood tests (to rule out other conditions)
Stool tests (to rule out other conditions)
Colonoscopy (in some cases, to exclude other diseases)

Treatment & Management

Dietary changes (e.g., low FODMAP diet)
Stress management techniques
Medications for diarrhea or constipation
Pain relievers for cramps
Probiotics
Fiber supplements
Regular exercise
Cognitive behavioral therapy (CBT)

Prevention

Identify and avoid trigger foods
Manage stress effectively
Maintain a regular eating schedule
Ensure adequate hydration
Engage in regular physical activity
Get sufficient sleep

Available Treatments

Explore our range of treatment options for Irritable Bowel Syndrome (IBS):