Nausea is stomach discomfort and the sensation of wanting to vomit. It can be a precursor to vomiting the contents of the stomach. Read on to learn more about its causes, treatment, and how it can be ...

In some cases, fatigue and nausea may develop as a result of lifestyle factors, such as difficulty sleeping or lack of exercise. In other cases, they may signal an underlying medical condition that ...

One common cause of vomiting in adults is gastroenteritis, a gut infection caused by bacteria. It's often called "stomach flu," though it isn't a type of flu at all. Other common causes are: Drinking ...