Yes, he should be fine now that it popped but he does need to follow up with a GI or a CR surgeon. Although fistulas and abcesses are more commonly found with CD patients, this does not mean he has CD. about 20% of UC patients will develop an abcess or fistula.
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