Holonyms (order Anura is a member of...): amphibia; class Amphibia (the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians).olonyms (order Anura is a member of...): amphibia; class Amphibia (the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians).
Cetirizine is not a narcotic. It's belongs to a class of drugs call 2nd generation antihistamines. It's usually used to treat Allergic Rhinitis and Hives. 2 people found this useful.
The second generation antihistamines have no central action, and are used only for treatment of allergic reactions. These are divided into two chemical classes. Cetirizine (Zyrtec) is a piperazine derivative, and has a slight sedative effect.