Albendazole seems to similar to mebendazole
It is very poorly absorbed from the gut so any that the mother passes to the
baby is unlikely to be absorbed. It has a half life of 8.5 hours so even less
left after that. 1 report that fat in milk increased absorption but not
substantiated.
Info from Martindale - The Extra Pharmacopia
Wendy Jones
Breastfeeding Network UK and Pharmacist
MRBJones [log in to unmask]