nausea

Nausea is a kind of stomach discomfort that makes people want to vomit. It is often a precursor to vomiting, but it can also occur alone. It is mainly a special discomfort in the upper abdomen, often accompanied by dizziness, salivation, and slow blood pressure. Reduces other vagus nerve excitation symptoms. Nausea is a symptom often accompanied by vomiting, but it can also occur alone. Many diseases can cause nausea and must be identified. The most common causes are digestive diseases such as reflux esophagitis, gastroenteritis, gallstones, functional dyspepsia, acute appendicitis, duodenal ulcers, and gastric ulcers. In addition, other systemic diseases can also cause nausea, such as intracranial hypertension, megaloblastic anemia, diabetes, cervical spondylosis, and early pregnancy reactions. The diagnosis must be combined with medical history and other clinical symptoms. If necessary, auxiliary examination may be needed to find out the exact cause of nausea and then treat the cause to completely solve the problem.