If she doesn't have output and is in pain this would be the sign of either a partial or full obstruction (which is not uncommon). It's best to get her walking to jump start her motility. If it's a partial obstruction you should be able to manage this at home by increasing fluids, eliminating food until it passes, and keep her moving. If she should have extreme pain and vomiting that would be the time to go to the hospital as those are signs of a full obstruction and intervention might be needed.
dx proctitis in 1987
dx UC in 1991, was stable until 1998
1998 started prednisone, asacol, pentasa, nortriptylene, ativan, 6MP, rowasa enemas and suppositories, hydrocortisone enemas, tried the SCD diet, being a vegetarian, omega 3s, flax, pranic healing, yoga, acupuncture, probiotics
2000 lost all my B-12 stores and became anemic
2001 opted for j-pouch surgery- now living life med-free