Nausea - WikipediaNausea is a diffuse sensation of unease and discomfort, sometimes perceived as an urge to vomit.[1] While not painful, it can be a debilitating symptom if prolonged and has been described as placing discomfort on the chest, abdomen, or back of the throat.[2] Over 30 definitions of nausea were proposed in a 2011 book on the topic.[3] Nausea is a non-specific symptom, which means that it has many po
