Sounds like Gallstones or Gallbladder to me. I would get an appointment with your Doc and have it checked out .
Diagnosed with crohns at 13, right Hemicolectomy in 93, remmision till sept 08, small bowel resections & Entercantaneous fistula excised, along with temp stoma in 09 stoma reversed Apr 2010. 2011 3 more fistula's to deal with!!
Major surgery Jan 2013 had all fistula's, Gallbladder & sections of small bowel removed permenant ileostomy given.