Vomiting
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| - | # To [[regurgitate]] the contents of a [[stomach]]. | + | |
| + | '''Vomiting ''' (known medically as '''emesis''' and informally as '''throwing up''' and by a number of other terms) is the forceful expulsion of the contents of one's [[stomach]] through the [[mouth]] and sometimes the [[Human nose|nose]]. Vomiting can occur due to a wide variety of conditions; it may present as a specific response to ailments like [[gastritis]] or [[poison]]ing, or as a non-specific [[sequela]] of disorders ranging from [[brain tumor]]s 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. [[Antiemetic]]s are sometimes necessary to suppress nausea and vomiting. In severe cases, where [[dehydration]] develops, [[intravenous]] fluid may be required. | ||
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| + | Vomiting is different from [[regurgitation (digestion)|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. | ||
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Revision as of 20:57, 29 June 2011
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Vomiting (known medically as emesis and informally as throwing up and by a number of other terms) is the forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose. Vomiting can occur due to 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.
