This is the first time it's happened to me. I just drank alcohol last night at a friend's house and it was a good amount of alcohol I drank. The next day, I went to use the restroom and pooped - I wiped and noticed there was blood on the toilet paper and when I looked in the toilet, there was a good amount of blood that came out either with or after I pooped. The stools aren't bloody but blood had come out. My genitals and rectum do not hurt. I thought I was on my period at first. What can this be?