Paroxetine - Controlled Release in the Treatment of Irritable Bowel Syndrome (IBS)

Those in the active treatment group will receive doses of Paxil CR in increments of 12.5 mg daily for the first week and increased at 12.5 mg increments at visit weeks to a maximum of 50 mg daily, as determined by the investigator. The investigator will adjust dosage based on clinical response. Following the completion of the double-blind phase, patients on placebo and non-responders to the study drug will be tapered off the study drug back to 0 over 2 weeks, and they will be referred to their Primary Care Physician, Internist or Gastroenterologist to be prescribed treatment for Irritable Bowel Syndrome.

Placebo