What Causes Blood In Soft Stool With Trickles Of Blood Post Colonostomy?

Doctor, I am an ostomy patient. It s an illiostomy (don t know spelling), and there is blood in my soft stool and trickles of blood with it. I will see my doctor later, but now its 4:35a.m. here in NY and cannot call him yet. Please tell me what is going on. I just had my colonostomy surgery this past November 11, 2014 and I have been having problems since. Your cooperation in assisting me in this matter will be deeply appreciated. Sandra Soto