Another great feature about the Allegra Adult 24-Hour is that it keeps your allergies at bay for an entire day. It also won’t make you drowsy, thanks to its active ingredient, fexofenadine HCl (which ...

Allegra, the third biggest global allergy brand, had big ambitions to become the global number one brand in five years. But we had a lower share-of-spend compared to the competition. Allegra was ...