One and a half years old baby high fever repeated, how should do ability good

One-and-a-half-year-old baby recurrent high fever, need to clarify its specific cause for treatment, such as bacteria, viruses and other pathogenic microorganism infection, can take amoxicillin and other antibiotics or acyclovir and other antiviral drugs for treatment, the effect is better, and at the same time can take ibuprofen and other drugs to help reduce fever.