Probably the amount of chlorpropamide in milk is not enough to affect the baby.
It is preferable, however, to use short-acting antidiabetic drugs, because in this way can be reduced the risk of drug accumulation in the infant.
There is no reports on possible adverse effects in children or data about the levels of this drug in infants.
If an infant is breastfeeding while his mother is taking hypoglycemic agents, should be monitored closely because of the risk of hypoglycemia.
Warning of the manufacturer:
Not recommended breastfeed while taking this medicine.