<Tr> <Th> MeSH </Th> <Td> D014839 </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <P> Vomiting, also known as emesis and throwing up, among other terms, is the involuntary, forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose . </P> <P> 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 often 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 . Self induced vomiting can be a component of an eating disorder, such as Bulimia Nervosa, and is itself now an eating disorder on its own, purging disorder . </P>

Where does food come from when you throw up