Answer
Usually, yes. Only small amounts enter milk, and local anaesthetics are generally considered compatible with breastfeeding. Seek specialist advice for a premature or unwell baby.
Sources for this answer
- Bupivacaine Hydrochloride 0.5%w/v solution for Injection (plastic ampoules) — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance