Answer
Treclin gel should not be used during breastfeeding because it is unknown whether tretinoin and clindamycin pass into breast milk following its use.
Sources for this answer
- Treclin 1 %/0.025 % w/w GelViatris (formerly Mylan or Upjohn) · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 7Document updated
Sources checked