Two common reasons are It's more convenient for patients already regularly using two different inhalers. It may be better therapy for patients using either ipratropium bromide or albuterol sulfate alone.
Many patients benefit more when they use both.
Each of the the two medications works differently. They found that it helps lungs work better than either of the two medications given alone. Inhalation Aerosol is two inhalations four times per day, up to 12 puffs in 24 hours. The technique you can use to get the most out of your inhaler follows immediately. Call your doctor if you still don't feel that you are getting adequate relief from your symptoms.