Answer
Diclofenac potassium (Voltarol Rapid) should not be used during breastfeeding because diclofenac passes into breast milk in small amounts and could cause undesirable effects in the infant.
Sources for this answer
- Voltarol Rapid Tablets 50mgNovartis Pharmaceuticals UK Ltd · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 12Document updated
Sources checked