Answer
No. It is maintenance treatment and does not replace the prescribed reliever treatment. Worsening COPD needs clinical review.
Sources for this answer
- Onbrez Breezhaler 150 and 300 microgram inhalation powder, hard capsules — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.