Irritable Bowel Syndrome (IBS) is a chronic functional gastrointestinal disorder characterized by abdominal pain, bloating, and altered bowel habits (diarrhea, constipation, or both). The exact cause is unknown, but it is believed to involve a combination of gut-brain interaction, motility issues, and sensitivity of the intestines. Treatment focuses on symptom management through dietary modifications, stress reduction, and medications to address specific symptoms, such as laxatives for constipation or antispasmodics for pain.