irritable bowel syndrome; IBS
Medical term for a chronic functional bowel disorder. The abbreviation IBS is also common in medical contexts.
Symptoms of irritable bowel syndrome include abdominal pain, constipation, and diarrhea.
Compound of 過敏性 (hypersensitivity), 大腸 (large intestine), and 症候群 (syndrome). A direct medical term with no historical derivation beyond its components.