Recently defecate hard, anal fissure how to want to do several times

Because constipation causes anal fissure, need to be treated in time. First of all, eat more vegetables and fruits, increase dietary fiber and vitamins in the diet, can soften stool to make stool unobstructed, and then use 1:5000 potassium permanganate warm water sitz bath, keep local clean, use painkillers and promote wound healing drugs to treat.