A 9-month-old child’s recurring fever may be caused by connective tissue disease, upper respiratory tract infection, acute gastroenteritis, and early childhood acute rash.
1. connective tissue disease: if the child is affected by genetic factors, viral infections, immune function abnormalities and other factors, it will lead to the 9-month-old child’s recurring fever, accompanied by fatigue, rash and other symptoms.
2. Upper respiratory tract infection: the common pathogen of this disease is virus, a few are caused by bacteria, accompanied by sneezing, nasal congestion, coughing, chills and other symptoms, considering the upper respiratory tract infection caused by recurrent fever.
3. Acute gastroenteritis: the disease is mainly due to physical and chemical as well as biological factors caused by an acute inflammation of the mucosa of the gastrointestinal tract, commonly caused by viral or bacterial infections, resulting in 9-month-old children with repeated fevers, mainly manifested as nausea, vomiting, abdominal pain, diarrhea and other symptoms.
4. toddler rash: 9 months old child recurrent fever may be toddler rash, is a common rash in infancy and early childhood infectious diseases, usually caused by human herpesvirus type 6, the clinical mainly high fever, rash as the main features.
The 9-month-old’s recurring fever may also have other causes, and it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy under the guidance of the doctor.