Are allergic to Zyrtec-D, cetirizine, pseudoephedrine, or any of the inactive components used to make the medication. Your healthcare provider or pharmacist has a list of the inactive ingredients.
Are allergic to hydroxyzine (Atarax®, Vistaril®), a medication that is similar to cetirizine.
There are a number of situations in which Zyrtec-D should not be taken, along with several precautions and warnings people should be aware of before taking the medication. However, it is possible that not all of the warnings or precautions were discussed in this article. Therefore, you should talk with your healthcare provider about the specific Zyrtec-D warnings and precautions that may apply to you.