system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following statements are TRUE about second generation antihistaminic agents EXCEPT:
assistant
The correct answer is  1st generation 2nd generation Cross BBB, cause sedation Donot cross BBB, no sedation Ach blockade, anticholinergic side effect occur No Ach blockade Useful for - Motion sickness - Drug induced parkinsonism - Muscular dystonias - Allergy Useful only for allergy Promethazine, diphenhydramine, diphenhydrinate, phenramine, Terfenadine, fexofenadine, loratidine