Why am I vomiting dark brown bile?

Dark brown vomit may be indicative of blood from the stomach which has been denatured by stomach acid. We call this “coffee-ground emesis” and it often does appear brown in color. Of course, the color of vomit may be influenced by anything you had to eat or drink beforehand. read more

Cats and dogs are commonly known to vomit dark bile. A cat vomiting bile is more likely to be overlooked than a dog doing so. Cats are known to cough up hairballs, and bile is sometimes mistaken for them. In both humans and animals, throwing up blood clots can be mistaken for normal bile. This bile in animals can also signal kidney failure which causes the blood to turn dark in color. read more

GI work up. Migraine with vomiting can cause esophageal tear, but dark brown or coffee color vomit suggests upper esophageal/ stomach bleed, needs gastroenterologist evaluation. read more