You don't have a jpouch but you do have a diverting colostomy and the concept is still the same. As food travels through your colon some of it is going out to your bag, the rest is diverting down through your colon. So yes, it's normal to have gas, feces, and mucus exit through your anus. No need to be concerned. Also, don't panic if you see light blood. This is just a sign of healthy tissue.
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