Is dilantin-125 safe for women who are pregnant or breastfeeding?

Yes: This drug is usually used for seizures. It is a category d drug which means there may a chance the baby could be affected by the drug. However, not taking it and risking a seizure while pregnant is also bad for the baby. If your doctor prescribes this drug, you will need more Folic Acid than others and extra vitamin K in the last month of the pregnancy.

Dilantn: Fetal hydantoin syndrome is a syndrome of birth defects that happen in babies born to moms who take dilatin during pregnancy. Caution is advised for breast feeding moms on taking dilantin.

No and yes: Not safe for pregnant women ("possibly hazardous") it is safe during lactation even for the newborn.