hi!!my sister suffers from a really stomackache sometimes for a whole years now !!and when she poops its all liquid and even blood a lot of blod sometimes ..she lost a lot of weight ..and her doctor told her she has Ulcerative colitis  ...and it will never cure ..she only needs medicament to stop the pain for some time ..but believe me the medicament didnt help at all ..PS:my sister is 22.shes a nurse..but she never works because she gets always tired :(can u suggest a diet or something please...and what do u advice her to do...help please :((((

Summarized question: Can abdominal pain be caused by ulcerative colitis?