Black or brown vomit may mean that you are bleeding internally. It is often called coffee ground vomitus (the partially digested blood looks like coffee grounds) and is caused by bleeding in your gastrointestinal (GI) tract. Dark vomit often comes from bleeding in the stomach.
Seek immediate medical attention Ask someone to drive you to the emergency room if you notice blood in your vomit or begin vomiting blood. It’s important to quickly identify the underlying cause of the bleeding and prevent more-severe blood loss and other complications, including death.
Melena: Melena is a black, tarry stool that is caused by GI bleeding. The black color is due to the oxidation of blood hemoglobin during the bleeding in the ileum and colon. Melena also refers to stools or vomit stained black by blood pigment or dark blood products and may indicate upper GI bleeding.
Introduction Coffee ground vomit is vomit that looks subjectively like coffee grounds. It is thought to occur due to the presence of coagulated blood in the vomit and hence is a common indication for inpatient admission and thereafter endoscopy.
Vomiting of blood is a medical emergency. In many cases the bleeding will stop quite quickly but in some cases it can become severe and life-threatening. Therefore, call an ambulance or go directly to the nearest emergency department if you vomit blood.
The color of your vomit can be a sign of a potentially life-threatening problem. Black or brown vomit may mean that you are bleeding internally. It is often called coffee ground vomitus (the partially digested blood looks like coffee grounds) and is caused by bleeding in your gastrointestinal (GI) tract.
Your vomit may appear black if the blood has been oxidized by the acids in your stomach. The iron in your blood turns brown to black with time. Since the blood is no longer bright red, it means that the bleeding has either stopped or is only happening in a small amount.
your vomit is green (this could mean you are bringing up a fluid called bile, which suggests you may have a blockage in your bowel – see below) you have signs of severe dehydration, such as confusion, a rapid heartbeat, sunken eyes and passing little or no urine.
Black flecks that look like coffee grounds are usually dried blood that’s been in the stomach a while. A lot of blood, regardless of color, could indicate bleeding in your gastrointestinal (GI) tract, which is serious.
While it sounds unpleasant and unusual, it’s possible to vomit up your own fecal matter. Known in medical literature as “feculent vomiting,” throwing up poop is usually due to some type of blockage in the intestines.
If the condition isn’t treated quickly, people can die of dehydration within hours of showing symptoms. “The amount of fluid loss from diarrhoea and vomiting [in patients] is shocking. It’s hard to believe unless you see it,” Harris says. It can be up to a litre per hour.
Vomiting blood ( hematemesis ) refers to significant amounts of blood in your vomit.