Disability in Children and Adolescents With Irritable Bowel Syndrome and/or Fibromyalgia.

To compare disability and emotional health in individuals with irritable bowel syndrome (IBS), fibromyalgia, or both, patients completed the Questionnaire on Pediatric Gastrointestinal Symptoms-Rome III, childhood Functional Disability Inventory (FDI), and the Behavior Assessment System for Children, Second Edition. Patients' (age range 8-18 years, 19 IBS, 12 fibromyalgia, and 12 both) FDI scores showed greater disability than scores from historically healthy patients. Fibromyalgia (FDI 22.