For children, Recombinant Human Interferon alpha-2b Spray can be sprayed directly on the affected area once in the morning, once in the evening. It should be used according to the doctor’s instructions. Recombinant human interferon alpha-2b spray is a topical drug with antiviral effect, you can directly put the spray nozzle of the drug in the children’s mouth, press the spray so that the drug is sprayed on the affected area, each time one or two sprays, three times a day, that is, once in the morning, once in the evening. It can be used to treat viral infections causing herpes pharyngitis, hand, foot and mouth disease and herpes simplex stomatitis. Children may experience mild irritation, such as itching and burning sensation, when using this medication, which can mostly be relieved on its own and does not need to be stopped. Note that this drug needs to be used correctly under the guidance of a doctor, to avoid self-medication for children, resulting in adverse effects.