A 44-year-old member asked:
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are ulcerative colitis and crohn's disease hereditary?

3 doctor answers
Dr. Jason Bodzin
50 years experience General Surgery
Somewhat: There are numerous families where there are children and /or grandchildren, cousins, etc. With these diseases. If both parents have ibd, the incidence is around 50% in the kids. Otherwise about 20% of patients will have a first degree relative with ibd. So you do the math! it isn't exactly hereditary, but there a familial incedence. By the way, the kids of colitis patients often have crohn's.
Answered on Sep 19, 2019
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Dr. David Stein
23 years experience Colon and Rectal Surgery
Yes: Although many patients can be diagnosed with crohn's disease or ulcerative colitis without a family history, up to 10% of patients will have a mother or father with the disease.
Answered on Oct 10, 2014
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Dr. Jason Hemming
16 years experience Gastroenterology
Not really: There is a genetic component and risks for ibd are higher in those witha family history. However there are a multitude of other contributing factors.
Answered on Jan 30, 2015
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