An Adolescent Who Has Asthma and Severe Perennial Allergies Has

An adolescent who has asthma and severe perennial allergies has poor asthma control in spite of appropriate use of a short-acting beta2-agonist (SABA) and a daily high-dose inhaled corticosteroid. What will the primary care pediatric nurse practitioner do next to manage this child's asthma?

A) Consider daily oral corticosteroid administration.
B) Order an anticholinergic medication in conjunction with the current regimen.
C) Prescribe a LABA/inhaled corticosteroid combination medication.
D) Refer to a pulmonologist for omalizumab therapy.