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A member asked:
I'm an adult whose vomit turned bright yellow to bright green to clear and over night it turned blue. i haven't eaten anything blue or anything that i am aware has any intensely added dyes. i've eaten toast, rice and veggie soup, a sandwich, coffee, and p
A doctor has provided 1 answer
Only from food: Blue vomit is not a naturally occurring condition. The only known cause is ingesting a food, drink or medication with blue color or dye. Because blue is a primary color, no combination of other colors will create it. If you did not then there is no other possible cause that is known so this is a complete mystery. Consult with your doctor (but undoubtedly your doctor will be equally mystified).
Answered 3/13/2015
3.1k views
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