Phenylephrine is the "PE" in "Sudafed PE ... Pseudoephedrine is the active ingredient in original Sudafed, and it constricts ...

Phenylephrine products, such as Sudafed PE, are available without a prescription ... Sudafed is behind the counter because the active ingredient in Sudafed, pseudoephedrine, can be used to make ...

For the United States, some of the most commonly used brands that list phenylephrine as the active ingredient include Sudafed PE, Vicks Nyquil Sinex Nighttime Sinus Relief and Benadryl Allergy ...