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  • Q&A with Australian Health Practitioners

    How does Crohn's disease affect digestion?

  • Find a professional to answer your question

  • Dr Simon Benstock


    Dr Simon Benstock completed his advanced training in Gastroenterology at Prince of Wales and St Vincent’s hospitals in Sydney. His major interests are colon cancer … View Profile

    This is a really complicated question and it requires quite a complex answer. Because Crohn's can occur anywhere from the mouth to the anus, it can affect the function of the gut in many ways. Certainly, Crohn's is not commonly found in the stomach and upper small bowel, but if it is found there, it does cause problems with the digestion system, so in particular with absorption. So, moderate or severe Crohn's can certainly change the way the small bowel works or with absorption. It can affect weight and well-being and can actually make the Crohn's itself worse. It is a difficult question to answer; but it certainly does affect digestion in a number of ways.

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