Irritable Bowel Syndrome

Irritable bowel syndrome (IBS) is a common disorder that affects the large intestine, often causing bouts of cramping, abdominal pain, bloating, diarrhea and constipation.

What is Irritable Bowel Syndrome?

Irritable bowel syndrome, commonly called IBS, is a chronic condition affecting the gastrointestinal system.

FODMAPs and Irritable Bowel Syndrome (IBS)

Irritable Bowel Syndrome (IBS) and Fibromyalgia

Irritable Bowel Syndrome (IBS) and Exercise

Treatment of Irritable Bowel Syndrome

Causes of Irritable Bowel Syndrome

Irritable Bowel Syndrome (IBS) Prognosis

Irritable Bowel Syndrome (IBS) Psychological Therapies

Irritable Bowel Syndrome (IBS) Comorbidities

Mechanism of Irritable Bowel Syndrome (IBS)

Irritable Bowel Syndrome (IBS) Research

See more featured articles »

Irritable Bowel Syndrome (IBS) and Diet

Diagnosis of Irritable Bowel Syndrome

Irritable Bowel Syndrome (IBS) Differential Diagnosis

Irritable Bowel Syndrome (IBS) Epidemiology

High FODMAP Foods and Low FODMAP Food Alternatives

Self-Help for Irritable Bowel Syndrome (IBS)

Irritable Bowel Syndrome (IBS) Food Triggers

Irritable Bowel Syndrome (IBS) and Psychiatric Illness

Irritable Bowel Syndrome (IBS) and Infections

Symptoms of Irritable Bowel Syndrome

New Biomarkers Discovered for IBS

Irritable Bowel Syndrome (IBS) and Stress Response

Post-Infectious Irritable Bowel Syndrome

Latest Irritable Bowel Syndrome News and Research

Study highlights high prevalence of non-coeliac gluten sensitivity lacking clear markers

Around one in ten people worldwide report gastrointestinal and other symptoms such as fatigue and headache after eating foods containing gluten or wheat despite not having a diagnosis of either coeliac disease or wheat allergy, finds a large systematic review and meta-analysis published online in Gut.

29 Oct 2025

Scientists uncover the gut’s hidden hydrogen engine and how it falters in Crohn’s disease

Study reveals that group B [FeFe]-hydrogenase is the primary enzyme driving fermentative hydrogen production in the healthy human gut, mainly through Bacteroides species. These genes are significantly depleted in Crohn’s disease, indicating a metabolic shift and altered hydrogen cycling dominated by respiratory bacteria

27 Oct 2025

OMED Health partners with Aviva to support the digestive health of employees

OMED Health ("OMED"), a UK-based business pioneering non-invasive breath analysis for gut health and part of Owlstone Medical ("Owlstone"), the global leader in Breath Biopsy® for applications in early disease detection and precision medicine, today announced a pilot as part of its longstanding collaboration with Aviva, the UK's leading diversified insurer.

23 Oct 2025

Night shift work may raise risk of irritable bowel syndrome

The study indicates that night shift work increases irritable bowel syndrome risk, particularly among those with obesity, due to circadian rhythm disturbances.

22 Oct 2025

Study clarifies the complex interaction between gut bacteria and common gastrointestinal disorder

Research from the University of Gothenburg, Sweden, clarifies the complex interaction between gut bacteria and IBS.

21 Oct 2025

Innovative approaches target PAR2 receptor to alleviate gut pain

Abdominal pain is a hallmark of many digestive disorders, including inflammatory bowel disease and irritable bowel syndrome.

7 Oct 2025

Massage Therapy Foundation funds CHOP study on pediatric irritable bowel syndrome

The Massage Therapy Foundation (MTF) announces the award of a research grant to Children's Hospital of Philadelphia (CHOP). The grant will support a three-year study entitled Myofascial Release Therapy in Irritable Bowel Syndrome led by Primary Investigators Maria Mascarenhas, MBBS and Alain J. Benitez, MD, MSTR.

18 Sep 2025

Why smartphone use on the toilet may increase hemorrhoid risk

Adults using smartphones on the toilet spent significantly more time seated and had 46% higher odds of hemorrhoids on colonoscopy. The cross-sectional study suggests prolonged sitting, not straining, may be the key driver of hemorrhoid risk.

8 Sep 2025

Transcutaneous vagal nerve stimulation shows promise for gastrointestinal disorders

Imbalanced autonomic function, characterized by reduced vagal activity and sympathetic dominance, is increasingly recognized in various gastrointestinal (GI) disorders.

27 Aug 2025

Shame linked to lower quality of life in people with gut disorders

Feelings of shame are linked to reduced quality of life - as shown by the first study to measure shame as a factor influencing the connection between chronic gastrointestinal disorders and mental health.

25 Aug 2025

Low FODMAP diet increases GLP-1 and relieves IBS symptoms

This study reveals that a low FODMAP diet alleviates IBS symptoms and increases GLP-1 levels, suggesting new avenues for dietary interventions in gut health.

20 Aug 2025

Challenges and promise of meditation apps in modern mental health care

Do you have a meditation app on your smartphone, computer or wearable device? Well, you're not alone.

8 Aug 2025

Survey reveals persistent challenges of IBS on daily life and productivity

Despite social media helping to increase awareness of irritable bowel syndrome (IBS) among the public (81% of health care providers agree) and advancements in treatment over the past decade, IBS symptoms continue to significantly impact patients' daily lives and productivity, according to a new survey released by the American Gastroenterological Association (AGA), in partnership with The Harris Poll, a Stagwell (STGW) agency.

7 Aug 2025

Creatine in your diet may benefit your digestive system

Findings suggest dietary creatine from meat may alleviate chronic constipation, with stronger effects observed in men and those without certain health issues.

4 Aug 2025

Low FODMAP diet found to repair leaky gut in IBS-D patients

In a study, patients with irritable bowel syndrome with diarrhea, or IBS-D, who went on a low FODMAP diet saw an improvement of colonic barrier dysfunction, commonly known as "leaky gut."

30 Jul 2025

Study confirms post-pandemic rise in disorders of gut-brain interaction

A new international study confirmed a significant post-pandemic rise in disorders of gut-brain interaction, including irritable bowel syndrome (IBS) and functional dyspepsia, according to the paper published in Clinical Gastroenterology and Hepatology.

30 Jul 2025

Gut hormone INSL5 linked to chronic diarrhea in patients with bile acid malabsorption

High levels of a hormone found in cells in the gut could underlie many cases of chronic diarrhea and help explain up to 40% of cases of patients with irritable bowel syndrome with diarrhea, according to a new study led by scientists at the University of Cambridge.

29 Jul 2025