vomitus
The term "vomiting" describes the forceful expulsion of the contents of the stomach via the mouth or sometimes the nose, also known of as emesis. The causes of vomiting are as wide ranging as those for nausea and include anything from food poisoning or gastritis to head injuries and brain cancer . Nausea is the discomfort that is felt before vomiting but not all nausea actually results in vomiting. Regurgitation is a different condition from vomiting and the term regurgitation usually means expulsion of the undigested food from the food pipe or esophagus into the mouth, with none of the forceful expulsion or discomfort that is associated with nausea. The two conditions are different as are their underlying causes. Causes of vomiting Vomiting, like nausea, is a symptom rather than a disease in itself. Sometimes it is the body's only way to eject a harmful or poisonous substance. Common causes of vomiting include: Gastrointestinal infections Gastrointestina...