COREX DX Cough Syrup 100ml: Relieves dry cough effectively. Learn about COREX DX Cough Syrup uses, composition, side effects, and price at Medkart. Corex DX Syrup is a combination of two drugs: Chlorphenamine maleate (antihistamine) and Dextromethorphan hydrobromide (cough suppressant). Chlorphenamine maleate belongs to the class of antihistamines or anti-allergic that works by blocking the action of histamine, a substance responsible for causing allergic reactions. It helps to provide relief from allergy symptoms such as sneezing, running nose, watery eyes, itching, swelling, and congestion or stiffness. Dextromethorphan hydrobromide ... Corex DX Syrup is a combination of dextromethorphan and chlorpheniramine for dry cough and allergic symptoms. It can cause drowsiness, dizziness, and other side effects. Learn more about its dosage, warnings, and interactions. COREX Dx Cough Syrup is a combination of chlorpheniramine maleate and dextromethorphan hydrobromide for dry, irritating, disturbing cough in allergic or infective conditions. It is not recommended for children under 2 years, pregnant or lactating women, and MAOI users.