What’s it like to have colitis? As with Crohn’s disease, another serious disease of the digestive system, it can often interfere with your lifestyle, especially when a sudden inflammatory attack leads to severe cramps, abdominal pain, bloating and diarrhea.

Both colitis and Crohn’s come under the heading of inflammatory bowel disease, or IBD.

Your doctor might diagnose ulcerative colitis, indeterminate colitis or microscopic colitis. The first condition means ulcers, or sores, have appeared in the lining of the rectum and colon, which can lead to serious problems.

Sometimes, though, it’s hard to distinguish whether the IBD is ulcerative colitis or Crohn’s disease, and your condition might get the name “indeterminate colitis.”

The Mayo Clinic explained the difference between the two main IBD conditions as this:

Ulcerative colitis affects the most inner lining of the large intestine and rectum, with the inflammation occurring in continuous stretches ...

https://www.empowher.com/colitis/content/colitis-can-be-unkind-your-colon