Which of the following drug is second generation antihistaminic:: (A) Promethazine, (B) Loratadine, (C) Diphenhydramine, (D) Doxylamine
Answer is B. Ans. B. LoratadineSecond generation antihistaminic drug don't enter the CNS, no anticholinergic side-effects, drugs are cetirizine, levocetirizine, loratadine, ebastine, azelastine.