Controlling Anal Incontinence by Performing Anal Exercises With Biofeedback or Loperamide (CAPABLe)

The study is a multi-center, randomized, placebo controlled trial with participants randomized into one of four groups: 1. placebo/usual care (educational pamphlet) 2. loperamide/usual care (educational pamphlet) 3. placebo/anal exercises with biofeedback 4. loperamide/anal exercises with biofeedback The primary outcome, change from baseline in St. Marks (Vaizey) Score at 24 weeks, will be compared between treatment groups using linear regression.