Respected user, hi I evaluated your query thoroughly .
* Post hemorrhoidectomy anal bleeding may be due to - fissure -
inflammation of
rectum /
anal canal - blood from colon - recurrence of
the hemorrhoids - other systemic issue as bleeding intestinal ulcer -
drugs induced etc .
* The diagnosis needs thorough history , physical examination of the
patient including proctoscopic evaluation , analysis of past surgery
documents ,
colonoscopy in selected cases as per clinician decisions .
Hope this clears your query .
Welcome for any further assistance .
Thanks for using Healthcaremagic.com & giving me an opportunity to assist you in your medical needs .
Wishing you fine recovery from the same.
Regards dear take care .