Medical management of fecal incontinence Yolanda Scarlett  Gastroenterology  Volume 126, Pages S55-S63 (January 2004) DOI: 10.1053/j.gastro.2003.10.007

Figure 1 Effect of a single application of placebo gel or phenylephrine gel on maximum anal resting pressure (MRP) in 10 patients with fecal incontinence, measured before and 1 hour after application (broken line represents median values). (A) Patients were given placebo gel. (B) Patients were given 30% phenylephrine gel. (C) Patients were given 40% phenylephrine gel. Adapted and reprinted with permission from Cheetham et al.26 Gastroenterology 2004 126, S55-S63DOI: (10.1053/j.gastro.2003.10.007)