What’s wrong with a child who has a sudden fever at night?

Children’s sudden fever at night is most often seen in infections, such as acute upper respiratory tract infections, myocarditis, gastroenteritis and other diseases, but also need to exclude non-infectious diseases, such as rheumatic fever, Kawasaki disease and so on.
1.Infection:
(1) Respiratory tract infections, the most common, such as acute upper respiratory tract infections, acute bronchitis and other diseases can cause fever, mostly accompanied by runny nose, cough and other respiratory symptoms.
(2) Other systemic infections, such as gastroenteritis, myocarditis, encephalitis and other diseases can cause recurrent fever.
2. Non-infectious diseases: such as rheumatic fever, Kawasaki disease and other rheumatic immune diseases, according to the clinical symptoms combined with rheumatism factor, cardiac ultrasound and other related tests to clarify the condition.
Children’s sudden fever at night, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.