Infantile acute rash is a kind of rash infectious disease caused by viral infection, which starts with repeated high fever and may last for about 3 to 5 days; after the body temperature recovers, a body rash will appear, and infants and children are very uncomfortable during the process of fever, and some of them may have nausea, vomiting, coughing, tonsil congestion and other symptoms. In the process of rash, although infants and children have entered the recovery period, but the viral infection is not completely over, this time infants and children may still be difficult and irritable, crying and other phenomena. If you are diagnosed with acute rash, it is recommended that you go to the hospital as soon as possible for standardized treatment under the guidance of your doctor to minimize the adverse effects of the disease.