Answer
Wait until numbness, weakness and other effects have fully resolved and any sedative has cleared; follow the treating team's instructions before driving or using machinery.
Sources for this answer
- Bupivacaine & Adrenaline (Epinephrine) Injection B.P. 0.25% w/v 1 in 200,000 — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance