Cetirizine use while Breastfeeding. Drugs containing Cetirizine: Zyrtec, Zyrtec-D, Aller-Tec, Wal-Zyr D, Equate Allergy Relief, Allergy Relief D, All DayOphthalmic use of cetirizine by the mother should pose little risk to the breastfed infant. To substantially diminish the amount of drug that...