Biliousness, Carsickness, Motion sickness, Nauseousness, Qualms, Queasiness, Regurgitation, Retching, Seasickness, Airsickness, Sickness, Vomiting. Root Cause of Disease Nausea is not a disease itself, but can be a symptom of many disorders related to the digestive system, including: Gastroesophageal reflux disease (GERD) Peptic ulcer disease. Problems with nerves or muscles in the stomach that cause slow…
