 [ Symptoms ] constipation took a laxative laxative definatly worked now i have dark red blood coming out why do i have blood  constipated then took a laxative pieces of blood clots maybe stomach hurts no stools now just blood [ Disease ] hemorrhoid anal fissures rectal polyps it is not possible to determine a source of this blood over the internet you will need to see a medical provider as soon as possible so you can be properly examined