Answer
Call 999 for breathing difficulty, throat tightness, or sudden swelling of the face, mouth, tongue or throat. Stop using olezarsen and seek immediate assessment.
Sources for this answer
- Tryngolza 80 mg solution for injection in pre-filled pen — 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.