Based upon these symptoms, I highly suggest a revisit to the Doctor as soon as possible. Yellow Scleras are indicative of Jaundice, this being Bilirubin buildup which is ordinarily cleared by the kidney. If there is a Liver malfunction, that could be from a blockage of the bile duct involving either surgery and or further pathology. Also very serious are these episodes of blood per stool. Whenever you present with these symptoms you must get a checkup as it can be a number of things which are very serious: (i.e. bowel ischemia, cancer, bowel laceration and or internal bleeding). Please as soon as possible schedule a meeting with a gastroenterologist and or surgeon, and if you are so prudent I may even suggest a visit to the Emergency Services as to better address where the blood is coming from, and if it is an ongoing bleed.