6.stool culture,to rule out parasites and infectious causes
7.eryyhrocyte sedimentation rate can be measured,with an elevated sedimentation rate indicating that an inflammatory process is present.
8.c-reactive protein can be measured,with an elevated level being another indication of inflammation.
9.althouth ulcerative colitis is a disease of unknow causation,inquiry should be made as to unusual factors believed to trigger the disease.factors may include: recent cessation of tobacco smoking;recent administration of large doses of iron or vitamin B6;hydrogen peroxide in enemas or other procedures.
10.endoscopic