Patients with gastroenteritis can’t take their own medication, need to clarify whether it’s a bacterial infection or a viral infection, if it’s a bacterial infection, amoxicillin or levofloxacin can be eaten, but the specific use of medication need to comply with the doctor’s instructions. Gastroenteritis is usually manifested as abdominal pain, diarrhea, bloating, fever, vomiting and other symptoms, amoxicillin and levofloxacin are antibiotics, can be used to treat gastroenteritis caused by bacterial infection. If the patient appeared gastroenteritis symptoms, through the blood test blood routine, suggesting that the white blood cells increased, ultrasensitive C-reactive protein elevated, stool routine white blood cells increased significantly phenomenon, diagnosis of bacterial infection caused by gastroenteritis, can follow the doctor’s instructions to take antibiotic treatment. However, if the patient just nausea, vomiting, diarrhea, abdominal pain and other symptoms, do the above indicators are not abnormal, usually caused by viral infections, this situation can not eat amoxicillin, levofloxacin, otherwise it may lead to intestinal flora disorders. Amoxicillin and levofloxacin are antibiotics that can be used to treat gastroenteritis caused by bacterial infection. People who are allergic to penicillin should not take amoxicillin; levofloxacin is not used for children and adolescents under 18 years of age, pregnant women, and breastfeeding should be suspended during the use of the drug. The specific choice of what kind of medicine should be selected by the doctor according to the patient’s specific situation, and need to consider contraindications and other factors, so do not blindly take it on their own, in order to prevent the emergence of serious adverse reactions.