To control asthma, a client in a residential treatment facility uses a fluticasone propionate and salmeterol discus inhalation system, which provides an inhaled powdered form of these combined medications. Which instruction should the nurse provide to this client's caregivers?

D Offer the discus to the client for use during an acute asthma attack. B Clients using the discus may experience decreased blood pressure. A Explain that the client should not use the discus more than twice daily. C When using the discus, have the client breathe out rapidly into the mouthpiece.