Answer
Contact NHS 111 promptly. Keep the packaging available so healthcare staff know which product was swallowed.
Sources for this answer
- Voltarol Osteoarthritis Joint Pain Relief 1.16% Gel — 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.