Speak with your healthcare provider before using Zyrtec if you are pregnant, trying to become pregnant, or breastfeeding. Zyrtec should not be taken with alcohol or marijuana. Doing so can ...

Non-sedating antihistamines, such as Zyrtec (cetirizine) and Claritin (loratadine), may be OK for use. Check with your obstetrician before taking any medication during pregnancy. A group of ...