What's wrong with bad breath and fever?

Fever is mostly caused by infection, such as bacteria, virus infection, etc., halitosis and fever are two symptoms, halitosis may be caused by indigestion, poor oral hygiene, may also be caused by children's food accumulation fever, and improper feeding, parents are advised symptomatic treatment, can give children some probiotics to promote intestinal motility, temperature more than 38.5 degrees to give antipyretic treatment.