Answer
No. UK product information and specialist breastfeeding guidance advise against it because unpredictable morphine exposure can seriously affect the baby.
Sources for this answer
- NHS Specialist Pharmacy ServiceNHS Specialist Pharmacy Service · NHS medicine guidance
- Codeine phosphate 30mg Tablets — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.