Compare to Sudafed PE Congestion active ingredient. The active ingredient in Sinus PE is phenylephrine HCl 10 mg, in each tablet, nasal decongestant. This product provides maximum strength, non-drowsy relief for nasal and sinus congestion and sinus pressure due to the common cold, hay fever or other upper respiratory allergies. Sinus PE Phenylephrine HCl Tablets, 10 mg does not contain pseudoephedrine, and is aspirin free and gluten free.