A Advil Childrens Allergy Sinus (Chlorpheniramine/Ibuprofen/Pseudoephedrine) by adhealth32 August 18, 2010 What is Advil Childrens Allergy Sinus (Chlorpheniramine/Ibuprofen/Pseudoephedrine)? Chlorpheniramine is an antihistamine that reduces the natural…