Dry heaving and nausea symptoms may be related to pregnancy reaction, gastritis, pharyngitis and other factors, according to the cause of the general treatment or drug treatment. 1. Pregnancy reaction: Women in the early stages of pregnancy may experience dry heaving and nausea due to changes in hormone levels in the body, which affects the self-regulatory function of the gastrointestinal tract. In this case, it is recommended to eat a light diet, eat small meals, and walk and other light exercise to enhance gastric motility, which will help to alleviate the symptoms; 2. Gastritis: During the onset of gastritis, patients are prone to recurring clinical symptoms such as acidity, heartburn, stomach pain and bloating. When the stimulation of disease-causing factors leads to insufficient gastric power, it can trigger dry vomiting and nausea symptoms. Treatment is recommended to take omeprazole, famotidine and other acid inhibitors, with mosapride tablets and other gastrointestinal tract power drugs together; 3. Pharyngitis: Inflammation caused by bacteria and other pathogens during pharyngitis can stimulate the pharynx to trigger reflexive symptoms of dry heaving and nausea, which can be accompanied by throat pain, foreign body sensation, hoarseness and other clinical manifestations. For bacterial infections, it is recommended to take antibiotics such as amoxicillin, with cediriodine tablets and other drugs to treat the cause and symptoms. Dry heaving and nausea may also be caused by other reasons, it is recommended that patients actively go to the regular hospital, under the guidance of the doctor for targeted treatment. Do not take medication on your own to avoid delaying your condition.