What causes Crohn’s disease?
It isn’t clear what causes Crohn’s disease. However, the following
factors may influence whether you get it:
- your immune system
- your genes
- your environment
Up to 20 percent of people with Crohn’s disease also have a parent,
child, or sibling with the disease, according to the Crohn’s &
According to a 2012 study, certain things can affect the severity
of your symptoms. These include:
- whether you smoke
- your age
- whether or not the rectum is involved
- length of time you’ve had the disease
People with Crohn’s are also more likely to develop intestinal
infections from bacteria, viruses, parasites, and fungi. This can
affect the severity of symptoms and create complications.
Crohn’s disease and its treatments can also affect the immune
system, making these types of infections worse.
Yeast infections are common in Crohn’s and can affect both the
lungs and the intestinal tract. It’s important that these
infections are diagnosed and properly treated with antifungal
medications to prevent further complications.
Learn more about what causes Crohn’s disease.