Hepatitis B may be caused by active stage of hepatitis B and other overlapping infections. 1. Hepatitis B belongs to active stage: chronic hepatitis B is divided into active and stable stage. When hepatitis B is in the active stage, the aminotransferase is too high, and gastrointestinal symptoms such as wanting to vomit, nausea, loss of appetite, abdominal distension, and weakness will occur. 2. The emergence of other overlapping infections: in the emergence of hepatitis B infection in the stable stage based on the patient and overlapping infection of other hepatophilic viruses, hepatitis A, hepatitis E and other conditions, can also cause obvious nausea, vomiting, fatigue and other gastrointestinal symptoms. Suffering from hepatitis B and nausea, nausea, weakness and other symptoms, you need to go to the hospital in time for examination, to clarify the specific causes, and actively listen to the doctor’s advice for treatment.