Percy needs an antihistamine to help with his pollen allergies, but he has some complicated mental work to do and therefore, would like to use a non-drowsy medication. What antihistamine is less likely to make Percy less drowsy?

Percy needs an antihistamine to help with his pollen allergies, but he has some complicated mental work to do and therefore, would like to use a non-drowsy medication. What antihistamine is less likely to make Percy less drowsy?



azelastine
fexofenadine
clemastine