subject: Advair Diskus use as Asthma medication [print this page] Advair Diskus is a prescription medication and users should first discuss all Advair Diskus risks and benefits with the Physician before actually purchasing Advair Diskus. It is prescribed for patients with severe asthmatic conditions aged 4 years or more. Users should consult the conditions and precautions thoroughly with the Physician before starting Advair Diskus.