Why does the baby have a low fever that doesn't go away?

Patient's question:

Symptom Description: Low-grade fever for a week, around 37.5 to 37.9.
Hospital Visited: Yanggu County Hospital, Liaocheng Special Hospital.
Previous Treatment and Effect: Still having low-grade fever.
Help Needed: Want to know the cause.

Doctor's answer:

Children with viral colds primarily exhibit symptoms such as fever, which may or may not be present, with varying temperatures ranging from low to high. They may also have clear nasal discharge, sneezing, coughing, and generally good spirits, though their appetite may decrease. In some cases, symptoms like vomiting and diarrhea may accompany the illness. Very few children may experience high fever seizures.
Children with bacterial colds mainly show symptoms of fever, especially persistent high fever that does not subside, purulent nasal discharge, sore throat, listlessness, poor appetite, and some may develop high fever seizures.
Advice: For viral colds, Lianhua Qingwen Granules are effective. For bacterial colds, antibiotics are required. Do not rush to reduce fever.
There are several reasons why it is not advisable to rush to reduce a child's fever:
A temperature of 37.5–38°C is considered low-grade fever, 38–39°C is moderate fever, and anything above 39°C is high fever. Low-grade or moderate fever is beneficial for a child's growth and development.
Fever is the body's response to viral or bacterial invasion. This response helps eliminate the invading pathogens, thereby supporting the child's normal growth and development.

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