Answer
Breastfeeding may be possible because transfer into milk does not automatically rule it out, but the individual situation and possible infant thyroid monitoring should be discussed with the specialist.
Sources for this answer
- Propylthiouracil 50mg Tablets — 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.