welcome to healthcare magic,
from the description of symptoms you need to be fully investigated, i would suggest you should get admitted and let the doctors sort out the bleeding in order to avoid you loss blood.
you need to be checked if you have hemorrhoids or any mass in the anal region that could be causing the bleeding.
you need to get your stool checked as well,
you need to get treated for the virus they found on colonoscopy
hope to have answered your query