Children’s gastroenteritis after injection instead of fever, should cooperate with the doctor to improve the blood routine, stool routine and other tests, to be diagnosed, and then use antibiotics, probiotics and other drugs for treatment. If the fever is more than 38.5 ℃, but also for antipyretic treatment. If the child’s gastroenteritis shot but fever, may be caused by bacterial infection, first of all to improve the relevant examination, including routine blood, stool routine, and so on, and by a professional doctor for examination and analysis and diagnosis, timely use of antibiotics such as cefixime, probiotics such as bifidobacteria and other drugs for treatment. If the child gastroenteritis injection fever more than 38.5 ℃, should actively cooperate with professional doctors for fever reduction treatment, you can take antipyretic ibuprofen, acetylchol, etc.. Therefore, the child gastroenteritis after injection instead of fever, it is recommended to go to the regular hospital as soon as possible, timely symptomatic treatment. The above drugs need to be used in accordance with medical advice.