KnowraCetirizineLinked fromLinked fromThe 8 pages that link to Cetirizine, each with the reason it gives.All 8Broader topic 3Compared with 5AntihistamineBroader topic: It is a widely used option designed to cause less sedation than first-generation drugs.Second-generation antihistamineBroader topic: It is a common option, though it can cause more drowsiness than some peers.PiperazineBroader topic: Cetirizine contains a substituted piperazine ring within its molecular structure.