Antiviral drugs for children include acyclovir and oseltamivir, etc. They have strict indications for use. 1. Acyclovir: It can be used for fever, sore throat, and lung infections caused by EBV infection and other infections. Side effects include diarrhea and anorexia. It is forbidden for those who are allergic to this drug. 2. Oseltamivir: It is mainly used for the prevention and treatment of influenza A, influenza B, etc. It is advocated to use the drug at an early stage and take it orally for at least five days. The main side effects are vomiting and abdominal pain. Oseltamivir is contraindicated for those who are allergic to it. There are many other antiviral drugs for children, such as ribavirin, etc. However, antiviral drugs usually have large side effects and should not be used without authorization; not all viral infections require antiviral treatment, and not one drug can treat all viruses. Be sure to use medication scientifically under the guidance of your doctor.