Did you drink alcohol? What you describe is what happens to me when I drink hard liquor.
Except for the then no BM for days, that NEVER happens to me. So...see your doc.
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; started diet without gluten, soy, dairy, tomato etc. Replete$$ probiotic powder, then Forte, now a stronger one (50 billion). Doing much better, but still having some bad days.