Crohn's disease belongs to a group of conditions known as inflammatory bowel diseases (IBD). This chronic condition causes inflammation in the digestive ...

Occasionally, people with Crohn’s develop painful sores in the mouth called aphthous ulcers. These ulcers usually appear during a flare-up of intestinal inflammation. They can resemble the ...

Sometimes mouth ulcers can be caused by diseases that can affect multiple organs. Crohn's and celiac disease can cause frequent and multiple mouth ulcers. Some of the other symptoms are ...