Since, a week before blood was passing from my stools and so I took the precaution then it is fine but now some time I get pain in anus at the time of defecation, I also have Problem of constipation from year And Sometimes I have a lot of pain in the bottom part of the umbilicol.And Some time My stool is of different colours such as Black,Brown type. And I also feel very tired. Sir, Be Frankly to speak Whatever it is.