IBS vs IBD? What’s the difference?  IBS stands for irritable bowel syndrome, and IBD stands for inflammatory bowel disease.  Both conditions produce similar symptoms and can be debilitating, but there are major differences between the two.  Interestingly, many IBD patients also have IBS.

IBS vs IBD

IBD includes both Crohn’s disease and ulcerative colitis, which are autoimmune diseases.  IBS is considered a functional bowel syndrome, as there are no pathological changes seen on biopsy, as opposed to the visible inflammation in IBD.  However, IBS research suggests immune system responses to stress are abnormal, which may cause these bowel symptoms.  Additionally, miscommunication between the brain and gut may lead to IBS symptoms.

The pathogenesis of IBD is not entirely understood either, but it appears to be a combination of genetic and environmental factors.  The immune system attacks bacteria in the gut, leading to the ulcers and inflammation that characterize IBD.  The following chart highlights some of the similarities and differences between IBS and IBD symptoms, diagnosis, treatment, and complications.

 I hope this clarifies some of your IBS vs IBD questions and concerns. Let me know if you have any questions!  

https://www.mayoclinic.org/diseases-conditions/inflammatory-bowel-disease/symptoms-causes/syc-20353315

https://www.mayoclinic.org/diseases-conditions/irritable-bowel-syndrome/diagnosis-treatment/drc-20360064

https://www.webmd.com/ibs/tc/irritable-bowel-syndrome-ibs-cause

 

 

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