What causes nausea and upset stomach?

　　In daily life, many people experience nausea and vomiting. In fact, this phenomenon not only affects appetite but may also cause certain harm to the body. It is essential to identify scientifically sound methods to alleviate these symptoms as soon as possible. One of the primary underlying causes may be “cold stomach” (a traditional Chinese medicine concept referring to diminished gastric function due to coldness). Therefore, individuals should tailor interventions according to their specific circumstances. So, what exactly causes nausea and regurgitation?

　　What Causes Nausea and Regurgitation?

　　Nausea and regurgitation may stem from digestive system disorders, pharyngeal or esophageal diseases, psychogenic (neurogenic) vomiting, or—among women—pregnancy. Digestive conditions such as gastric ulcers or duodenal ulcers can irritate the gastric mucosa during eating, triggering nausea and regurgitation. Similarly, pharyngeal or esophageal disorders may provoke these symptoms via gastroesophageal reflux-induced irritation. Patients with psychogenic vomiting or other neurological conditions may also present with nausea and related discomfort. Given the wide range of potential causes, if dietary adjustments prove ineffective, prompt consultation with a gastroenterologist is advised. Diagnostic evaluations—including upper gastrointestinal endoscopy—can help determine the underlying cause and guide timely treatment to prevent adverse health consequences.

　　Nausea and regurgitation commonly occur in daily life and are often attributable to gastrointestinal disorders. Frequent episodes may significantly impair appetite; thus, timely intervention is crucial. When such symptoms arise, it is vital to reduce excessive tension and maintain a calm, relaxed state. Additionally, adopting a pattern of eating smaller, more frequent meals—while avoiding spicy, greasy, or otherwise irritating foods—and staying adequately hydrated are all important supportive measures.

　　Patients are advised to drink plenty of water and consume ample fruits. Should an underlying disease be identified, prompt medical treatment is essential. We hope this information proves helpful to you.