Answer
Yes. Most systemic reactions occur within hours, but delayed reactions have occurred several days after an injection.
Sources for this answer
- Nucala 100 mg powder for solution for injection — Current selected SmPCemc · Summary of Product Characteristics
- Nucala 40 mg solution for injection in pre-filled syringe — 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.