Vomiting blood is a condition that threatens the safety of a person. Vomiting blood is caused by swallowing or coughing blood when acute nosebleeds, or actually vomiting blood. The cause of vomiting blood from the stomach, among others, small intestine, stomach ulcer, or a blood vessel ruptures.

Vomiting blood is also enabled by the associated diseases include: heart failure, hepatitis, gastric tumors, gastric bleeding, stomach ulcers, cancer of the pancreas, and disturbances in the other.

Symptoms and Signs
In addition to vomiting blood other signs that follow include: respiratory , blurred vision, fainting, confusion, nausea, cold, face pale, little urine, and sweat.

Treatment
The patient vomited blood should be quickly get medical care. The initial purpose of treatment is to stop the vomiting of blood.

Source: Medineplus and MayoClinic