text: Response to therapy in IBS patients may be monitored by using questionnaires or scales such as Patient Health Questionnaire (PHQ)-15, Birmingham IBS Symptom Questionnaire, IBS Symptom Severity Scale and the Gastrointestinal Symptom Rating Scale. These are both objective and subjective evaluations and help guide further management of patients.<unk>  bowel<unk>  (IBS) may be monitored to gauge response to therapy :
  Patient Health Questionnaire (PHQ)-15
  Birmingham IBS Symptom Questionnaire 
  IBS Symptom Severity Scale.
  <175, mild IBS
  175−300, moderate IBS
  >300 severe IBS
  An increase or decrease by at least 50 points is significant.
  The Gastrointestinal Symptom Rating Scale has been modified for use in patients with IBS (GSRS-IBS) 
  <175, mild IBS
  175−300, moderate IBS
  >300 severe IBS
  An increase or decrease by at least 50 points is significant.
option_0: Irritable bowel syndrome monitoring
option_1: Pancreatic cancer screening
option_2: Drug induced liver injury screening
option_3: Colorectal cancer follow up
option_4: Zollinger-Ellison syndrome screening
option_5: Gastrointestinal varices screening
option_6: Ulcerative colitis screening
option_7: Inflammatory bowel disease screening