When a baby has a fever of 39.5 degrees, it is necessary to immediately reduce the heat treatment of the child, which can be oral ibuprofen suspension. Usually after 4-6 hours you can repeat the medication. not more than 4 times a day, depending on the weight, according to the instructions on the dosage. In addition, you need to give your child plenty of water and rest, and wipe the child’s armpits, groin, neck and other places rich in large blood vessels with warm water to help reduce fever. Pay attention to indoor ventilation, and change the child’s sweaty and wet clothes and bedding in time to prevent the child from catching cold twice. Heat-reducing patches can be used. They are very small in size and have a limited effect on reducing fever, but they may feel more comfortable for children with high fever. Ice packs should not be used as they are too cold and may cause the capillaries in the child’s skin to constrict, preventing heat dissipation.