Advair Diskus is a brand name for a combination medication used in the treatment of asthma and chronic obstructive pulmonary disease (COPD). Advair Diskus is available in a dry powder inhaler device that delivers the medication as a fine powder that is inhaled. It's designed for long/term maintenance therapy rather than for acute symptom relief. It is generally prescribed for patients whose asthma or COPD is not well controlled by an inhaled corticosteroid alone. This combination medication helps manage both the inflammation and bronchoconstriction associated with conditions like asthma and COPD, providing comprehensive treatment. However, as of my last update in September 2021, it's important to note that there might have been developments or changes regarding Advair Diskus since then. Always consult a medical professional or the most recent medical literature for the most up/to/date information on medications and treatments.