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What causes ulcerative colitis Is it contagious

A 35-year-old member asked:
Dr. Eric Kaplan
Colon and Rectal Surgery 42 years experience
No: It is not contagious but may run in families. There are numerous theories as to the causation, but no real consistency from one patient to the next.
Dr. J Roberts
Vascular Surgery 27 years experience
Autoimmune: Uc or ulcerative colitis is an autoimmune disorder which typically responds to steroids and other immune modulators as imuran (azathioprine). It is n... Read More

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A 33-year-old member asked:
Dr. Vijay Laxmi Misra
Internal Medicine 22 years experience
Ulcerative colitis: Ulcerative colitis/proctitis is not contagious. It caused by immune system acting against colon mucosa.
Dr. Eric Kaplan
Colon and Rectal Surgery 42 years experience
Ulcerative colitis: Is not. However proctitis or colitis caused by bacteria especially clostridia difficile can be very contagious as can other forms of infectious coliti... Read More
A 33-year-old member asked:
Dr. Robert Uyeda
General Surgery 45 years experience
No evidence: To suggest that either condition is contagious or communicable, although they can run in families.
A 47-year-old member asked:
Dr. Yash Khanna
Family Medicine 57 years experience
In severe cases only: It is not a common symptom of ulcerative colitis . But in severe cases it can cause fever and can have associated headache. But only in severe cases o... Read More
A 31-year-old member asked:
Dr. Jeffrey Cohen
Colon and Rectal Surgery 29 years experience
Genetic: Current belief that these are both genetic diseases related to immune modulation.
A 42-year-old member asked:
Dr. Sanjay Jain
Internal Medicine 34 years experience
Ulcers in colon: As the name indicates this condition leads to ulcers in the colon which can cause signficant bleeding with stool.
A 25-year-old member asked:
Dr. Vivek Huilgol
Gastroenterology 35 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... Read More
A 18-year-old male asked:
Dr. Charles Cattano
Gastroenterology 39 years experience
No correlation w/UC: Isotretinoin is NOT associated with increased ulcerative colitis risk, per recent meta-analysis. The literature is however discrepant with regard to ... Read More
A 20-year-old male asked:
Dr. Ed Friedlander
Pathology 44 years experience
Let's clarify: Entamoeba histolytica doesn't cause ulcerative colitis but it can mimic it. It can return whenever you're re-exposed or if the Rx didn't kill all the ... Read More
A 33-year-old member asked:
Dr. George T Tsai
General Surgery 27 years experience
Inflammation: Uc is an inflammatory bowel disease with many triggers. Any trigger that creates an inflammatory response can/will cause a flare up - especially if y... Read More

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