Whether diarrhea causes fever in children depends on the cause. 1. diarrhea caused by bacterial infectious enteritis due to the consumption of unclean food usually results in fever. 2. viral diarrhea caused by intestinal infection with rotavirus usually also results in fever. 3. diarrhea caused by indigestion, food accumulation and other factors, some children may also have fever. 4. diarrhea caused by allergic factors is generally not accompanied by fever. The symptoms of diarrhea and fever should be treated promptly to prevent the child from becoming dehydrated due to diarrhea.