Answer
No. It is not a rescue treatment; sudden or severe asthma symptoms require the person's usual emergency asthma plan and urgent help when appropriate.
Sources for this answer
- Cinqaero (reslizumab) 10 mg/mL concentrate for solution for infusion — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.