Diabetes eating nausea and vomiting may be caused by the adverse reaction of glucose-lowering drugs, or caused by digestive system diseases, such as gastric ulcers, enteritis and so on. You can follow the doctor’s instructions for drug treatment or stop the drug. 1. Adverse drug reactions: diabetic patients taking hypoglycemic drugs, such as metformin, may experience gastrointestinal symptoms, such as nausea and vomiting. Under the guidance of the doctor, you can change the glucose-lowering drug treatment. 2. Digestive system diseases: when suffering from gastric ulcer, enteritis and other diseases, due to the stimulation of food and digestive juices, can lead to nausea and vomiting, postprandial abdominal pain and other discomfort symptoms in diabetic patients, can follow the doctor’s instructions for medication, such as oral omeprazole and so on. When diabetic patients have gastrointestinal discomfort symptoms, it is recommended to consult a doctor in time to clarify the cause of the disease and then treat it.