Trimium Transhaler is used to treat chronic obstructive pulmonary disease (COPD) (a lung disorder in which the flow of air to the lungs is blocked). It aids in the relaxation of the muscles of the airways, making breathing easier. It alleviates coughing, wheezing, and shortness of breath. Your doctor will advise you on how frequently you should use your inhaler. The effects of this medicine may be felt after a few days, but they will increase after a few weeks. this medicine must be taken on a regular basis to be successful, so even if you don't have any symptoms, keep taking it. Your COPD may worsen if you stop taking it. This medicine should not be used to treat shortness of breath that occurs suddenly. Use your rescue inhaler if you experience abrupt shortness of breath. To get the most out of this treatment, make sure your inhaler technique is correct; otherwise, it will not perform as effectively.