Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: Randomized Controlled Trial Comparing the Efficacy of Polyethylene Glycol Alone and Polyethylene Glycol Combined With Topical Diltiazem in Treating Anal fissure in Children
Brief Summary: To evaluate whether effectively treating anal fissure-associated constipation using oral PEG alone can eliminate the inconvenience of add topical agent such as DTZ. As previous studies have shown the topical agent are more effective in treating anal fissure when combined with less effective laxatives