A bowel movement that consists of all blood will most likely be diverticulum related,possibly meckels diverticulum,in worst cases colon cancer,ulcerative colitis or a cholerae infection.The best think to do is go get a colonoscopy and some bloodwork done immediately to rule out these possibilities or get them treated before it is too late.
It looks you have a serious problem. The problem can be with your digestive system and the intestines. You must consult the doctor as soon as possible to avoid serious damage.
There are many causes for this - not all of them are serious, but rectal bleeding can be a sign of major problems. So your husband should see a doctor. You can find a list of possible causes here.
It means you should go see a doctor.