I have been constipated for 3 months, when I do go, it is very small and hardly anything. I've taken fiber choice, eaten fiber, taken stool softeners, laxatives and nothing seems to really work. What should I do? The doctor told me a month and a half ago that if I am not throwing up or have blood in my stool I am fine, but I don't feel fine. I believe there is some type of blockage