Crohn's Disease: Pathophysiology, Clinical Manifestations, and Treatment Approaches
Overview
This paper provides an overview of Crohn's disease, a chronic inflammatory bowel disease affecting the gastrointestinal tract. It discusses the disease's pathophysiology, characteristic symptoms including abdominal pain and severe diarrhea, potential complications such as fistulas and strictures, and current treatment options including anti-inflammatory medications and biologic drugs.
What this coursework covers
- Definition and classification of Crohn's disease as an inflammatory bowel disease
- Anatomical locations affected and symptomatology including pain, diarrhea, fatigue, and weight loss
- Pathophysiology involving abnormal immune response and distinction from ulcerative colitis
- Treatment modalities and prognosis including medications, immune suppressors, and surgical options
Preview
Module 5 Discussion Crohn’s Disease
I chose Crohn’s disease, a chronic disorder that primarily affects the digestive system.
Crohn’s disease is an inflammatory bowel disease (IBD) that causes inflammation of the gastrointestinal tract. It most commonly affects the end of the small intestine (ileum) and the beginning of the large intestine (colon), but it can occur anywhere from the mouth to the anus. The inflammation often occurs in patches, with healthy tissue in between diseased areas.
The disease manifests with symptoms such as abdominal pain, severe diarrhea, fatigue, weight loss, reduced appetite, and mouth sores. In many patients, deep ulcers form that can lead to fistulas, strictures (narrowing of the intestine), and malnutrition.
Crohn’s disease involves an abnormal immune response where the immune system mistakenly attacks the cells of the digestive tract, causing chronic inflammation. This damages the intestinal lining, reduces nutrient absorption, and disrupts normal digestive processes. The exact cause is unknown, but genetics, environmental factors, and an overactive immune system play major roles.
An interesting fact is that Crohn’s disease can affect the entire thickness of the bowel wall, unlike ulcerative colitis which only affects the innermost lining. Treatment usually includes anti-inflammatory medications, immune system suppressors, biologic drugs, and sometimes surgery to remove damaged sections of the intestine. There is currently no cure, but many patients achieve long-term remission with proper treatment.
References
Cleveland Clinic. (2025). Crohn’s disease. https://my.clevelandclinic.org/health/diseases/9357-crohns-disease
Mayo Clinic. (2025). Crohn’s disease. https://www.mayoclinic.org/diseases-conditions/crohns-disease/symptoms-causes/syc-20353304