The condition of regurgitation and nausea during breastfeeding is considered to be caused by stomach or liver disease and gallbladder problems. Gastritis, cholecystitis or acute liver disease can cause nausea and regurgitation. Don’t be blindly nervous and anxious first, pay attention to a light diet, observe if it improves, and if it continues to not improve, go to the hospital for a timely examination and use the right medicine according to the results. It is also possible to get pregnant while breastfeeding, it is best to check the laboratory to see if you are pregnant, if you are pregnant, consider that it should be a normal early pregnancy reaction. The current situation of the patient, before the cause of the disease is clear, do not use any drug treatment, in order to avoid the impact on physical health.