1 INDICATIONS AND USAGE FASENRA is indicated for the add-on maintenance treatment of patients with severe asthma aged 12 years and older, and with an eosinophilic phenotype [see Clinical Studies (14) ] . Limitations of use: • FASENRA is not indicated for treatment of other eosinophilic conditions. • FASENRA is not indicated for the relief of acute bronchospasm or status asthmaticus. FASENRA is an interleukin-5 receptor alpha-directed cytolytic monoclonal antibody (IgG1, kappa) indicated for the add-on maintenance treatment of patients with severe asthma aged 12 years and older, and with an eosinophilic phenotype. (1) Limitations of Use: • Not for treatment of other eosinophilic conditions. (1) • Not for relief of acute bronchospasm or status asthmaticus. (1)