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

After six hours of observation, participants who took pseudoephedrine experienced improved symptoms (i.e., reduced nasal congestion) than participants who took phenylephrine or placebo.