Symptoms are more favor of crohn's.
Thanks for writing to us.
I went through your query and understood your concern.
Colitis means inflammation of colon, it has many different causes, including:
1.Infections, including those caused by a virus, parasite, and food poisoning
due to bacteria
2.Inflammatory disorders (ulcerative colitis
and Crohn's disease)
3.Lack of blood flow (ischemic colitis
to the large bowel
Crohn's in a form of colitis and it has associated systemic features affecting eyes and joints. Redness in eye and fistula are common in crohn's. So that's why your doctor has made a conclusion of crohn's.
Symptoms may appear cyclically, Symptom free time in between.
I feel your husbands symptoms are more favor of crohn's.
Even with a full battery of tests, it may not be possible to diagnose Crohn's with complete certainty; a colonoscopy
is approximately 70% effective in diagnosing the disease,
Hope this information helpful to you, Feel free to ask further query.