Nausea can be caused by diet, migraines, or medications. Discover home remedies and when to consult a healthcare provider. Nausea has many causes, from stress and medications to stomach bugs and pregnancy. Learn what’s likely behind yours and when it’s worth seeing a doctor. What Are Nausea and Vomiting? Nausea is the feeling you get in your stomach before you vomit. Vomiting is when you throw up your stomach contents through your mouth. What is nausea? Nausea is the feeling that you need to vomit (throw up). It can happen for dozens — if not hundreds — of reasons. Whether you vomit depends on factors like how strong your feeling of nausea is and what caused it. And it’s common for people to experience nausea with no other symptoms and without ever vomiting. Nausea is a general term describing a queasy stomach, with or without the feeling that you are about to vomit. Almost everyone experiences nausea at some time, making it one of the most common problems in medicine. Nausea is not a disease, but a symptom of many different disorders. Motion sickness and drinking alcohol are among the many common causes of nausea and vomiting. Serious diseases can also have this effect. Nausea is a diffuse sensation of unease and discomfort, sometimes perceived as an urge to vomit. [1] It can be a debilitating symptom if prolonged and has been described as placing discomfort on the chest, abdomen, or back of the throat. Feeling sick (nausea) is common and usually goes away on its own. Find out about some things you can try that might help and what might be causing it. From basic remedies that provide a fast fix to options for long-term relief, here's how to get rid of nausea. Nausea and vomiting are symptoms of many conditions. Learn about causes, treatment, and when to be concerned.