Duolin Inhaler is used for the treatment of chronic obstructive pulmonary disorder (a lung disorder in which the flow of air to the lungs is blocked). It helps in relaxing the muscles of the air passages and making it easier to breathe. It relieves coughing, wheezing and feeling short of breath.

Your doctor will tell you how often you need to use your inhaler. The effect of this medicine may be noticeable after a few days but will only reach its maximum after a few weeks. This medicine must be used regularly to be effective, so go on taking it even if you don't have any symptoms. That means it’s doing its job. If you stop taking it your COPD may get worse. This medicine should not be used to relieve sudden shortness of breath. If sudden shortness of breath occurs, use your rescue inhaler. To get the benefit from this medicine you need to make sure you get your inhaler technique right, otherwise, it Does not work as well.