Both medications effectively relieve various allergy symptoms such as ... Key differences between Zyrtec and Zyrtec-D include their active ingredients, the minimum age at which they can be used ...

What is the best allergy medicine for adults that is nondrowsy? Any of the newer antihistamines, such as loratadine (Claritin, Alavert), desloratadine (Clarinex), cetirizine (Zyrtec ...

an antihistamine approved for the treatment of both indoor and outdoor allergy symptoms Compare to the active ingredient of Zyrtec 24-HOUR ALLERGY RELIEF: Temporarily provides relief of symptoms ...

Taking your allergy medications as directed regularly ... Studies show that cetirizine, the active ingredient in Zyrtec, can ...