I am a healthy 25 year old woman. When I poop, my butt bleeds and it looks as if I m on my period. Blood also squirts out. It did it twice yesterday, and once just now. Now, my poop is normal sized, and not hard. But it does hurt. I ve been told to try miralax twice a day for a while to see if it helps, and I plan on getting some. What do you think I should do?