Nausea refers to feelings of queasiness — often with the urge to vomit. Symptoms of nausea include sweating, a rush of saliva in the mouth, fatigue, and loss of appetite.  While it's often associated with acid reflux and over-eating, nausea can also occur during pregnancy, with motion sickness, or as a side effect of other medical disorders or common illnesses.  There are many anti-nausea medications that can help with severe or persistent nausea. But if your nausea is mild or occasional, there are also a number of effective home remedies that can help relieve your symptoms naturally.   1. Use ginger  Ginger is an effective remedy for nausea, says Daniel Devine, MD, internal medicine doctor and geriatrician at Devine Concierge Medicine, a primary care practice in Philadelphia.  That's because ginger has anti-inflammatory properties, which can support...