Dry heaving and nausea does not have the fastest treatment, the cause of the disease should be clarified in a timely manner, symptomatic treatment. Dry heaving and nausea may be caused by gastritis or pregnancy, which requires a complete examination and symptomatic treatment such as taking omeprazole, mosapride and other drugs. 1. Gastritis: refers to inflammatory diseases of the gastric mucosa caused by a variety of reasons, typical symptoms include abdominal distension, abdominal discomfort, nausea, dry heaving and so on. Treatment can be oral acid-suppressing drugs and drugs to protect the gastric mucosa, such as omeprazole, aluminum thioglycollate, etc., with the use of drugs to promote gastric dynamics, such as mosapride, etc. to relieve nausea and dry heaving. 2. Pregnancy: women in the early stages of pregnancy may also experience dry heaving, nausea, loss of appetite, drowsiness and other symptoms. The blood chorionic gonadotropin and uterine ultrasound can be used to determine if you are pregnant. Generally, dry heaving and nausea can disappear or be relieved after one to two months, so you can just observe it on your own. If the dry heaves and nausea continue to be severe and unrelieved and adversely affect the mother, rehydration fluids and vitamin supplements should be given. For unexplained dry heaving and nausea, it is recommended to go to the gastroenterology department in time and do not use medication on your own.