With allergy season comes tough sinus symptoms. Be prepared with Advil® Allergy Sinus. The ibuprofen in Advil® works with an antihistamine and a decongestant to create a combination that is especially well suited to relieve upper respiratory symptoms associated with allergies. Active ingredients: chlorpheniramine maleate 2 mg, ibuprofen 200 mg, pseudoephedrine HCl 30 mg.