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Condition

Irritable Bowel Syndrome

A Common Digestive Discomfort

Backed by 1 high-credibility studyStudies3Treatments3Last reviewedJan 2026
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Overview

2.4M-3.5M
Annual physician visits patients make for IBS in the United States 
66%
People suffering from Irritable bowel syndrome  who are female
10 years
Number of years a majority of IBS patients say they would give up for an instant cure

In plain language

Irritable bowel syndrome (IBS) is a common digestive disorder that affects the large intestine. It causes abdominal pain, cramping, bloating, gas, diarrhea, and constipation. While IBS can affect people of all ages, it is particularly prevalent among young adults and middle-aged individuals.

IBS is a complex condition with various contributing factors. While the exact cause remains unknown, it is believed to involve a combination of factors, including:

  • Gut motility: Changes in the contractions of the muscles in the intestines can lead to altered bowel function.
  • Gut sensitivity: Increased sensitivity to stimuli in the gut, such as food, stress, and hormones.
  • Brain-gut connection: Imbalances in the communication between the brain and gut can contribute to IBS symptoms.

The symptoms of IBS can vary widely from person to person and can change over time. Some individuals may experience alternating periods of constipation and diarrhea, while others may primarily experience one or the other.

Key Information

Review the most relevant symptoms, risk factors, and common care approaches in one place.

Risk Factors

Several factors may increase the risk of developing IBS, including:

  • Family history: A family history of IBS can increase your risk.

Stress and anxiety: Emotional stress can trigger or worsen IBS symptoms.

  • Infections: Past gastrointestinal infections can increase susceptibility to IBS.

  • Food sensitivities: Sensitivity to certain foods, such as gluten or lactose, can trigger IBS symptoms.

Symptoms

The symptoms of IBS can vary widely from person to person. Common symptoms include:

  • Abdominal pain and cramping: Pain in the abdomen, often relieved by passing stool.

  • Changes in bowel habits: Alternating between constipation and diarrhea or experiencing one or the other consistently.

  • Bloating and gas: Excessive gas and bloating.

  • Mucus in stool: The presence of mucus in stool.

  • Urgency: A sudden, urgent need to have a bowel movement.

Coping Strategies

To manage IBS, consider the following strategies:

  • Dietary changes: Identify and avoid trigger foods, such as spicy foods, fatty foods, and caffeine.

  • Stress management: Practice relaxation techniques like meditation, yoga, or deep breathing.

  • Regular physical activity: Engage in regular physical activity to improve digestive health.

  • Over-the-counter medications: Medications, such as anti-diarrheal or laxative medications, can help manage symptoms.

Common Treatments

While there is no cure for IBS, various treatments can help manage symptoms:

  • Dietary changes: A low-fiber diet or a high-fiber diet, depending on your symptoms, may be recommended.

  • Medication: Medications, such as antispasmodics and antidepressants, can help alleviate symptoms.

  • Probiotics: Probiotics may help restore a healthy balance of gut bacteria.

  • Therapies: Cognitive-behavioral therapy (CBT) can help manage stress and anxiety, which can exacerbate IBS symptoms.

Frequently Asked Questions About Irritable Bowel Syndrome

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