I always feel like I have to go to the restroom to poop, but when I do, nothing comes out. What can I do?

Check up. This is called tenesmus, the false urge to have a bowel movement. The rectum responds to pressure and sends a signal that you need to defecate. Anything that causes pressure in the rectum will cause this signal. These include stool, enlarged hemorrhoids, polyps or tumors, inflammation of the rectal lining (proctitis). The safest thing to do is discuss this with your doctor.