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
Most effective agent to prevent motion sickness is
assistant
The correct answer is  Moon sickness is more easily prevented than cured.
 Transdermal hyoscine (scopolamine) is the best agent for the prevention of motion sickness.
 Antihistamines can also be used for prevention.