Vomiting — forcefully expelling what’s in your stomach through your mouth — is your body’s way of getting rid of something harmful in the stomach. It may also be a response to irritation in the gut.

Throwing up blood (hematemesis) can look like bright red blood, streaks of blood mixed with food, or dark brownish blood that looks like coffee grounds. Several conditions can cause you to vomit blood ...

Vomiting is the body’s way of expelling harmful substances. It is not necessarily a sign of a serious problem, and it usually only lasts a day or two. There are many potential causes of vomiting. Some ...