"If you stop exercising too quickly, nausea may get worse because there will be a massive change in where the blood flow is going in a short period of time," said Dr. Babka. That's one reason many ...

Other causes of retching may include ... Researchers believe that chronic, severe pain and chronic nausea may be linked, ...

Nausea is a feeling of sickness or queasiness in the stomach, often accompanied by an urge to vomit. Common causes of nausea are motion sickness, pregnancy, medications, emotional stress ...