Pain reliever, nasal decongestant, antihistamine. May cause drowsiness. Headache - acetaminophen. Sinus pressure, nasal congestion - phenylephrine HCl. Runny nose/sneezing itchy, watery eyes - chlorpheniramine maleate. Compare to Tylenol Allergy Multi-Symptom active ingredients (This product is not manufactured or distributed by McNeil Consumer & Specialty Pharmaceuticals, distributor of Tylenol Allergy Multi-Symptom). Quality satisfaction guaranteed.