Answer
Seek urgent help for breathing difficulty or facial swelling, severe joint pain or deterioration, or neurological symptoms such as confusion, seizures, stiff neck, unusual sleepiness or loss of consciousness.
Sources for this answer
- IXCHIQ Chikungunya vaccine (live) — Current selected SmPCemc · Summary of Product Characteristics
- UK GovernmentUK Government · Reputable Web
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.