Irritable bowel syndrome (IBS) is a common disorder that affects the large intestine. Signs and symptoms include cramping, abdominal pain, bloating, gas, and diarrhea or constipation, or both. IBS is a chronic condition that you’ll need to manage long term.
The main symptoms of IBS are:
There may be days when your symptoms are better and days when they’re worse (flare-ups). They may be triggered by food or drink.