Neofylin Cough Syrup is a “triple-action” cough remedy made by Mopson Pharmaceutical Ltd. It contains Chlorpheniramine maleate (antihistamine), Ammonium chloride (expectorant), and Sodium citrate (mucus-loosening agent). The syrup helps relieve cough, nasal congestion, catarrh, and allergy-related throat or airway irritation. Suitable for children and adults in age-appropriate doses, it may cause mild drowsiness and should be used as directed.