Signs may be apparent as blood in vomitus or stool or a dark, tarry stool. (cspca.com)
Chronic retching, blood vomitus, projectile vomiting, and fecal vomiting are cases for the veterinarian to diagnose. (canismajor.com)
Do your best to clear the mouth and throat of any obstruction such as vomitus, saliva or foreign bodies such as grass, sticks or balls. (speedwayvet.com)