If you have been diagnosed with COPD, learn about how COMBIVENT RESPIMAT may help. Side effects may occur. Please visit the website for Important Safety. Combivent is a prescription inhalation spray that treats chronic obstructive pulmonary disease (COPD) in adults 18 years of age and older. Available in a. Jun 19, Starting July , the current Combivent inhalation aerosol will no longer be available. Don't worry though, as an alternative inhaler is already.