The Effect of Glyceryl Trinitrate Ointment on Posthemorrhoidectomy Pain and Wound Healing: Results of a Randomized, Double-Blind, Placebo-Controlled Study

Abstract

PURPOSE: Spasm of the internal sphincter may be a source of anal pain and delayed healing after hemorrhoidectomy. This study assessed whether glyceryl trinitrate (GTN) ointment reduces pain and promotes wound healing after hemorrhoidectomy.