An opposite symptom which is constipation is frequently met in patients. Unlike diarrhea, constipation creates obstacles on the way to freeing organism from the waste material. The inability to attend WC for days drives many people crazy just as the opposite problem. It feels like you’re full, but you can’t get rid of this fullness. In the case of IBS, the phenomenon is accompanied by painful sensation. The worst thing is to get stuck between constipation and diarrhea.