Ribavirin spray is an antiviral spray that is used as a local mucosal spray for the upper respiratory tract, mainly for influenza. Generally, after opening the package, you can press the spray button switch to the nasal cavity or throat. The average daily dose is 18mg for children 3 times a day, one spray for the nasal cavity and one spray for the throat, and 24-36mg for adults once every 4-5 hours, 4 times a day, one spray for the nasal cavity and 1-2 sprays for the throat.