Hiccups and nausea are very common symptoms of digestive disorders, and the causes of these symptoms are mainly the following: 1. Consider the presence of Helicobacter pylori infection, after infection, patients usually have symptoms such as heartburn, acid reflux, stomach pain, indigestion, etc. The treatment is antibiotic quadruple therapy. 2. The main reason for this is the lack of gastric power and the relaxation of the cardia. The main reason is the lack of gastric power and the relaxation of the cardia. When the body position changes after a meal, the food in the stomach will reverse the upward peristaltic movement, resulting in hiccups, nausea and vomiting symptoms. 4.