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]
A rare and often unrecognized cause of hematochezia and tenesmus in childhood: solitary rectal ulcer syndrome.
[ncbi.nlm.nih.gov]