Doodledoo, that feeling of urgency with nothing passing is a symptom of rectal inflammation, and a classic UC symptom. The medical name for it is tenesmus. Usually you really don't need to go, it's just that anything - blood, mucus, stool - triggers that response from the inflamed area. Sometimes hot sitz baths can help temporarily.
If you're not on rectal meds, this would be a good thing to discuss with your GI. They can help clear this up faster because they go right to the affected area.
Hope you're feeling better soon.
Moderate to severe left-sided UC (21 cm) diagnosed 2001.
Asacol, Rowasa, Pentasa, Prednisone, Entocort, Azathioprine
Colazal, Remicade, Nature's Way Primadophilus Reuteri.
In remission since April, 2006. Remicade has been my wonder drug.
Co-Moderator UC Forum