Which of the following Hi blocker has high anticholinergic activity-: (A) Cetrizine, (B) Chlorpheniramine, (C) Fexofenadine, (D) Astemizole
Answer is B. Ans. is 'b' i.e., Chlorpheniramine First generation antihistaminics have anticholinergic propey. Among the given options, only chlorpheniramine is first generation compound.