When a child’s fever returns after a few days, it is usually due to the cause of the fever not being completely removed, re-infection, or intermittent fever.
1. Incomplete removal of the cause of the disease: the child’s fever comes back after a few days of fever recovery may be due to the cause of the fever has not been completely removed, common bacteria, viruses and other causes of respiratory infections and other conditions.
2. Re-infection: If the child is re-infected by bacteria, viruses, mycoplasma and other infections a few days after the fever recovers, it may also lead to fever again.
3. Intermittent fever: a child’s fever returning after a few days may also be due to malaria, acute pyelonephritis, lymphoma and other diseases resulting in intermittent fever, which usually manifests itself as a high fever.
If the child’s fever returns after a few days, it may be related to other causes, so it is recommended to go to the hospital in time to improve the examination and to clarify the cause of the disease with the help of the doctor for treatment.