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A 44-year-old member asked:

Are ulcerative colitis and crohn's disease hereditary?

3 doctor answers8 doctors weighed in
Dr. Jason Bodzin
General Surgery 52 years experience
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.
Dr. David Stein
Colon and Rectal Surgery 25 years experience
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.
Dr. Jason Hemming
Gastroenterology 18 years experience
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.

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Similar questions

CA
A 25-year-old member asked:

What are the causes of Crohn's disease and ulcerative colitis?

2 doctor answers8 doctors weighed in
Dr. Vivek Huilgol
Gastroenterology 36 years experience
Genes+environment : A combination of genetic predisposion (for example Crohn's is more common in ashkenazi jews), life events (eg appendectomy increases one and decreases the other), and environmental influences (eg smoking increases Crohn's and decreases severity of uc...). Bet you didn't expect the latter! as knowledge increases more precise factors are identified.
A 41-year-old member asked:

What are symptoms of Crohn's disease and ulcerative colitis?

2 doctor answers5 doctors weighed in
Dr. Kirpal Singh
General Surgery 25 years experience
See below : Ibd usually presents with lots of diarrhea (mucousy, bloody or just loose). Some have bad pain, cramping, nausea, wt loss etc.
A 40-year-old member asked:

Which is a more serious disease: Crohn's or ulcerative colitis?

1 doctor answer1 doctor weighed in
Dr. Laurence Badgley
General Practice 54 years experience
UC: Question as to which is more serious, Crohn's or Ulcerative Colitis, misses the point that these are different intensities of disorder along a spectrum of manifestation wherein intestinal smooth muscle function is hyperdynamic due to neurologic autonomic system impingement & over-stimulation. Ulcerative Colitis represents greater intensity of these dysfunctions; involving inflammation & bleeding.
A 44-year-old member asked:

How does IBS differ from Crohn's disease or ulcerative colitis?

2 doctor answers6 doctors weighed in
Dr. Arthur Heller
Gastroenterology 44 years experience
Apples and oranges: Ibs: irritable bowel syndrome is not inflammation. Anatomy normal, but functional abnormality. Can occur after a GI infection.Sx occur on and off. Uc and cd are inflammatory; chronic, can have mild or severe consequences/complications. Uc: inflamed lining of colon, starting in rectum, variable extent. Cd-full thickness infl of bowel from lips to anus, can skip areas ibd rx meds +/- surgery.
A 38-year-old member asked:

Ibs/ulcerative colitis/crohn's disease, can you tell me about this?

1 doctor answer2 doctors weighed in
Dr. Jonah Essers
Pediatric Gastroenterology 19 years experience
Quick summary: Ibs is irritable bowel syndrome. It causes chronic abdominal discomfort with changes in bowel movements. Ibd is inflammatory bowel disease, for which ulcerative colitis and crohn's are the two main subtypes. These are characterized by chronic inflammation of the bowel, and can often have diarrhea, blood in the stool, weight loss, fevers, arthritis, vomiting, and (with crohn's) bowel obstruction.
Last updated Sep 19, 2019

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