<prompt> All are second generation antihistaminic except -AcrivastinCyclizineFexofenadineLoratidine  <response>: Ans. is b i.e., Cyclizine o Cyclizine is first generation antihistaminic. o Second generation antihistaminics are terfendine, fexofenadine, loratadine, desloratadine, cetrizine, astemizole, levocetrizine, azelastine, mizolastine, ebstine, rupatadine and acrivastin. 