The main symptoms of Crohn's disease are: Crampy abdominal (belly area) pain Fever Fatigue Loss of appetite Pain with passing stool ( tenesmus ) Persistent, watery diarrhea
[web.archive.org]
At clinic visits, height, bodyweight, general wellbeing, fever, stool frequency and consistency, and presence or absence of abdominal pain and tenderness, tenesmus, and rectal
[doi.org]
Rectal examination is seldom contributory, and, in the absence of symptoms such as rectal bleeding and tenesmus, may be postponed until colonoscopy.
[doi.org]