In general, non-drowsy antihistamines are the best choice for most people. If you're looking for an OTC allergy medicine that won't make you sleepy, our best overall pick, Allegra Adult 24-Hour ...

Fexofenadine HCl 180mg, pseudoephedrine HCl 240mg; ext-rel tabs. See Contraindications. Avoid concomitant aluminum- or magnesium-containing antacids. Pseudoephedrine: Antagonizes antihypertensives ...