Fexofenadine for stuffiness. Fexofenadine ; Flonase; Fluticasone; Hydroxyzine; Loratadine; Zyrtec; Xyzal; More Drugs; More Vitamins & Supplements. . side effects, include loratadine, cetirizine, and the newest, fexofenadine. . Simple to use. Taking fexofenadine with apple, grapefruit, or orange juice may decrease the absorption of this drug. . . . . . . . . . Generic Allegra D medication is made up of antihistamine (fexofenadine) and . It prevents sneezing, runny nose, stuffiness, itching ... more