Dry heaving, nausea and upset stomach may be caused by cold, early pregnancy reaction or chronic gastritis, etc. Different situations require different treatments such as drinking hot water and taking medication. 1. Cold: It may be related to environmental factors or improper diet, etc., so that the gastrointestinal tract is stimulated by cold air or cold food, resulting in dry heaving nausea and uncomfortable stomach symptoms. It can be relieved by drinking hot water or applying localized hot compresses. 2. Early pregnancy reaction: If you are pregnant, due to the hormone levels in the body will increase, resulting in dry vomiting, nausea and stomach discomfort symptoms, is a normal phenomenon, usually do not need special treatment. 3. Chronic gastritis: may be related to stress or Helicobacter pylori infection, local gastric mucosa inflammation, resulting in dry heaving nausea and upset stomach symptoms. It can be treated by using drugs such as domperidone tablets or bismuth potassium citrate, and the drugs should be used under the doctor’s prescription. If there is Helicobacter pylori infection, eradication treatment should be carried out by using the quadruple method, i.e., one proton pump inhibitor such as omeprazole + one bismuth such as colophony bismuth + two antibiotics such as amoxicillin and clarithromycin. If uncomfortable, it is recommended to go to the hospital, under the guidance of the doctor to clarify the cause of the disease and deal with it.