Irritable bowel syndrome - Symptoms and causes - Mayo Clinic
Oct 11, 2024 · Causes The exact cause of IBS isn't known. Factors that appear to play a role include: Muscle contractions in the intestine. The walls of the intestines are lined with layers of muscle that …
Irritable Bowel Syndrome (IBS): Symptoms, Causes & Treatment
Nov 16, 2023 · Researchers don’t know exactly what causes IBS, but they classify it as a neurogastrointestinal (GI) disorder. These conditions, also called disorders of the gut-brain …
Causes and Risk Factors of Irritable Bowel Syndrome (IBS) - Health
2 days ago · IBS is likely caused by a communication disconnection between your gut and your brain. Having stress and childhood trauma can increase your risk of IBS. IBS can affect anyone, but …
Irritable Bowel Syndrome (IBS) Symptoms, Causes, and Treatments - WebMD
Feb 13, 2026 · Doctors don’t know what causes IBS, but they do know that it does not raise your risk of more serious health conditions, like colorectal cancer. Still, its symptoms are unpleasant and can be ...
Symptoms & Causes of Irritable Bowel Syndrome - NIDDK
Doctors aren’t sure what causes IBS. Experts think that a combination of problems may lead to IBS. Different factors may cause IBS in different people. Functional gastrointestinal (GI) disorders such …
What Causes IBS? Main Causes and Recognizing Triggers
Jan 11, 2026 · The exact cause of irritable bowel syndrome (IBS) is unknown. Sometimes, it develops after a severe bout of infectious diarrhea or trauma, but most cases have no specific cause. Some of …
Irritable Bowel Syndrome - Harvard Health
Jun 10, 2024 · Irritable bowel syndrome (IBS) is a common gastrointestinal disorder affecting up to 15% of people in the United States. Common symptoms include abdominal pain, cramping, diarrhea, …
Irritable Bowel Syndrome: Causes, Identification, and Options
Irritable bowel syndrome can be uncomfortable, debilitating, and embarrassing. Learn what causes it and how to alleviate symptoms.
Irritable Bowel Syndrome: Symptoms, Causes, and More
Jul 16, 2025 · The exact cause of IBS remains unknown, but potential triggers include stress, certain foods, and an overly sensitive colon. There is currently no cure for IBS, but treatment focuses on …
Irritable bowel syndrome (IBS) - NHS
It can cause stomach cramps, bloating and diarrhoea. It’s usually a lifelong condition but lifestyle changes and medicine can help. Find out about IBS (irritable bowel syndrome), including what the …