Thank you Kazbern and Zanne for your replies. For some reasons, I trust the patient's opinions here more than a GI specialist.
It is the 1st time I hear of the term "Ileus". But that is interesting and I will look into that.
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I was diagnosed of Crohn's in 1994. I have been treated exclusively with Chinese herbal drinks for 15 years. No surgery as yet. I am just hesitant to go back to a regular western GI doctor, who would give me "conventional" treatments. When I think of bowel obstruction, multiple surgeries, I just dread it might be the end of my career or even a happy family life.