Answer
Stop using it, use your prescribed fast-acting reliever and contact a clinician immediately. This may be paradoxical bronchospasm.
Sources for this answer
- Trimbow pMDI 172 micrograms/5 micrograms/9 micrograms pressurised inhalation, solution — 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.