Allegra was behind the competition in emotional brand ties: thanks to advantages in awareness and familiarity, consumers were more likely to think of and purchase the competition first. Consumers also ...

According to a 2019 study published in the International Journal of Molecular Science, the OTC antihistamine Allegra is the ...

You can also take medicine that combines antihistamine and decongestant all-in-one. These medications are usually marked with a "D" — such as Claritin-D, Allegra-D, and Zyrtec-D. For a long list ...