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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.
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Antihistaminic used in motion sickness is :
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The correct answer is  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.