Chlorpheniramine is an antihistamine used in the treatment of allergic conditions and reactions. Pseudoephedrine has direct and indirect sympathomimetic activity and is orally effective upper respiratory tract decongestant. Dextromethorphan is an antitussive agent. It has no analgesic or addictive properties. It provides the specific cough suppressing action on the cough center. In therapeutic dosage, Dextromethorphan does not inhibit ciliary activity