A 23-year-old man admitted for an asthma exacerbation is being discharged with a prescription for a new corticosteroid and long-acting beta agonist inhaler that has been stepped up from their home medication. The patient admitted to nonadherence before admission because their maintenance inhaler "doesn't seem to do anything."
Which of the following pharmacist interventions would best address access barriers for this patient?
A. Providing a co-payment card for the patient's maintenance inhaler
B. Ensuring the medication is in stock to avoid delays in therapy
C. Ensuring the patient has a prescription for a nebulizer
D. Providing medication education that explains the benefit of their maintenance therapy