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World J Gastroenterol. Jun 14, 2011; 17(22): 2723-2733
Published online Jun 14, 2011. doi: 10.3748/wjg.v17.i22.2723
Comorbidity in inflammatory bowel disease
Antonio López San Román, Fernando Muñoz
Antonio López San Román, Gastroenterology Ramón y Cajal Hospital, E28034 Madrid, Spain
Fernando Muñoz, Digestive Diseases, Complejo Hospitalario Hospital, Altos de Nava, 24080 León, Spain
Author contributions: Both authors contributed equally in the conception, bibliographic research and writing of the paper.
Correspondence to: Antonio López San Román, PhD, Gastroenterology Ramón y Cajal Hospital, E28034 Madrid, Spain.
Telephone: +34-91-3368000 Fax: +34-91-3368000
Received: August 12, 2010
Revised: September 29, 2010
Accepted: October 6, 2010
Published online: June 14, 2011

Patients with inflammatory bowel disease (IBD) can be affected by other unrelated diseases. These are called comorbid conditions, and can include any secondary health problem that affects a person suffering from a primary or main disease, and which is neither linked physiopathologically to the primary condition, nor is it due to the treatments used for the primary condition or to its long-term anatomical or physiological consequences. Different comorbid conditions, as well as their influence on IBD, are discussed.

Keywords: Comorbidity, Comorbid conditions, Crohn’s disease, Inflammatory bowel disease, Ulcerative colitis