Children with a temperature of 38.6°C can take antipyretic and analgesic drugs such as ibuprofen suspension or acetaminophen suspension orally, which can help reduce fever quickly. Acetaminophen is suitable for children over 3 months of age, while ibuprofen is suitable for children over 6 months of age. You can also take pediatric cold and flu granules orally, which can treat and relieve various symptoms caused by cold and flu, such as fever, headache, nasal congestion, runny nose, sneezing and sore throat. It can also be treated by Chinese medicine, such as Pu Di Lan Anti-inflammatory Oral Liquid, Blue Scutellaria Oral Liquid, Shuang Huang Lian Oral Liquid, Lian Hua Qing Fever Granules, Qing Kai Ling Granules, Pan Lan Gen Granules, Antelope Horns Granules and other heat-clearing and detoxifying drugs. If the fever is caused by virus, you can use antiviral drugs for symptomatic treatment. If the fever is caused by bacterial infection, antibiotic drugs can be given for symptomatic treatment, such as penicillins, cephalosporins, macrolides, etc.