The present study is a critical review of difficult-to-control asthma, highlighting the characteristics and severity of the disease. It also presents a protocol for the management of patients with this asthma phenotype. The protocol, which was based on relevant studies in the literature, is described and analyzed.
Difficult-to-control; Asthma; difficult-to-treat; Asthma; severe asthma; Resistant asthma; Protocol; Management