Nausea_and_vomiting
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Synonyms: CO_Symp_NauseaEmesis CR_Symp_NauseaEmesis UC_Symp_NauseaEmesis BL_Symp_NauseaEmesis
Term information
Nausea is a commonly encountered symptom that has been defined as an unpleasant painless subjective feeling that one will imminently vomit. Vomiting has been defined as the forceful expulsion of the contents of the stomach, duodenum, or jejunum through the oral cavity. While nausea and vomiting are often thought to exist on a temporal continuum, this is not always the case. There are situations when severe nausea may be present without emesis and less frequently, when emesis may be present without preceding nausea.