How often can a 3 month old use a nebulizer?

3 mo. old&nebuliser. Nebuliser is usually usded every 4 hours in a home setting, but if the baby is having bad wheezing and needs it more frequently, you should take the baby to yournearest emergency room as they can put hte baby on continuous aerosol treatment in a monitored setting. The medicaitons may cause increased heart rate and it needs to be monitored.