About cetirizine all are true except-
High-Yield Explanation
Ans. is 'c' i.e., Good CNS penetration Cetrizine* Cetrizine is a 2nd generation anti histaminic* It is a metabolite of hydroxyzine with marked affinity for the peripheral H1 receptors,* It penetrates CNS poorly and has mild sedating effect.* It inhibits release of histamine from mast cells and therefore has been used for urticarial and atopic dermatitis.* It is non - arrhythmogenic.