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What is Antihistaminic not much preferable in motion sickness among the following is: and explain in detail?
1st generation drugs better treat motion sickness than 2nd gen drugs due to high sedating nature Fexofenadine is a 2nd gen. antihistaminic Promethazine, diphenhydramine, dimenhydrinate, and meclozine have prophylactic value in milder types of motion sickness; should be taken one hour before staing journey. Promethazine can also be used in morning sickness, drug-induced and postoperative vomiting, radiation sickness.