Please advise. I had a fistuletomy surgery 35 days back. In the first 20 days, i was absolutely fine, with no pain, no bleeding. But for the last 10 days, i have noticed blood after bowel movement. Due to fiber intake, i pass stool 3 or 4 times in a day. When i pass stools in the morning, there is no bleeding. But when i pass stools in the evening, i see blood. This has been happening every day for the last 10 days. I met my surgeon, who looked at the wound and said the wound was clean, little blood during motion was normal. But i don't understand why i bleed only in the night and never in the day. How to stop this bleeding?