Antihistaminic used in motion sickness is :

Antihistaminic used in motion sickness is :

  1. Cetirizine

  2. Meclizine

  3. Diphenhydramine

  4. Fexofenadine

Explanation:

Diphenhydramine and promethazine have maximum anti-cholinergic activity and maximum ability to cross the blood brain barrier and are thus most effective in motion sickness.