what are maintenance inhalers normally used to treat
Don't confuse rescue and maintenance inhalers. Inhalers are devices that contain medicines used to treat asthma and several other diseases that affect the lungs. By inhaling the medicine from the device, asthma sufferers and people with other lung diseases can breathe easier.nhalers are devices that contain medicines used to treat asthma and several other diseases that affect the lungs. By inhaling the medicine from the device, asthma sufferers and people with other lung diseases can breathe easier.