If you have seasonal allergies, how can you be sure you;re on the right med? Pop a Benadryl, and you;d better be okay going down for a long nap. the 1980s, so we;ve had options like Claritin (loratadine), Allegra (fexofenadine), and Zyrtec Another example is Singulair (montelukast), which is an...