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Conditions and Diseases
Gallbladders and Bile
Vomit

What does it mean when you vomit bile and yellow substances?

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Wiki User
December 29, 2008 7:35PM

It means that your body has run out of undigested food for you to vomit, and is now vomiting what remains -- bile and other digestive juices in your stomach and upper intestine. Vomiting can be triggered by things other than just what is in your enteric (digestive) system. Bile itself is yellow in vomit, so this is probably the yellow substance you are seeing.

Vomiting bile is usually a sign of serious illness, and I would strongly recommend that you go immediately to the doctor or Emergency Room. Chances are good that you have become very dehydrated and this is a life-threatening condition.