A member asked:

Can antihistamines negatively impact athletic performance and lower vo2 max?

A doctor has provided 1 answer
Dr. John Chiu answered

No: The older antihistamine cause drowsiness and thus impede performance but not the ventilation. The newer ones like Loratadine and fexofenadine have no drowsiness effect for most people.

Answered 6/27/2014

4.7k views

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