Well, that's a definite side effect, so probably so!
Just knowing why might help. Please don't be hard on yourself.
49 year old female attorney, diagnosed UC/pancolitis 1985, no surgery but much suffering. Asacol/5ASA 6x400 mg maintenance for 20+ years; use prednisone & Rowasa for flares.
August 2008 sought care of naturopathic doctor. Food sensitivity test showed wheat/gluten, other intolerances; eliminated wheat/gluten from my diet. Probiotics (Ultimate Flora, 50 billion).
Bad flare in March, seasonal? Back on prednisone, 40-30-25-20-15... Humira denied, started Remicade 4/12.