Vomiting

Vomiting (known medically as emesis and informally as throwing up and numerous other terms) is the forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose. Vomiting can be caused by a wide variety of conditions; it may present as a specific response to ailments like gastritis or poisoning, or as a non-specific sequela of disorders ranging from brain tumors and elevated intracranial pressure to overexposure to ionizing radiation. The feeling that one is about to vomit is called nausea, which usually precedes, but does not always lead to, vomiting. Antiemetics are sometimes necessary to suppress nausea and vomiting. In severe cases, where dehydration develops, intravenous fluid may be required.

Vomiting is different from regurgitation, although the two terms are often used interchangeably. Regurgitation is the return of undigested food back up the esophagus to the mouth, without the force and displeasure associated with vomiting. The causes of vomiting and regurgitation are generally different.

Read more about Vomiting:  Pathophysiology, Differential Diagnosis, Other Types, Treatment, Epidemiology

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Hork - Differential Diagnosis - Miscellanea
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... Nausea and/or vomiting are the main complaints in 1.6% of visits to family physicians in Australia ...
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... Fecal vomiting (aka stercoraceous vomiting) is a kind of vomiting, or emesis, in which partially or fully digested matter is expelled from the intestines into the stomach, by a combination of liquid and gas pressure ... Alternative medical terms for fecal vomiting are copremesis and stercoraceous vomiting ... Projectile vomiting refers to vomiting that ejects the gastric contents with great force ...
Hork
... Vomiting (known medically as emesis and informally as throwing up and numerous other terms) is the forceful expulsion of the contents of one's stomach through the mouth and sometimes the ... Vomiting can be caused by a wide variety of conditions it may present as a specific response to ailments like gastritis or poisoning, or as a non-specific ... is called nausea, which often precedes, but does not always lead to, vomiting ...