Kofsum-DX Syrup is a combination pharmaceutical formulation containing Phenylephrine (5mg/5ml), Chlorpheniramine Maleate (2mg/5ml), and Dextromethorphan Hydrobromide (10mg/5ml). This syrup is indicated for the symptomatic relief of upper respiratory tract conditions characterized by nasal congestion, allergic rhinitis, and cough. Phenylephrine acts as a selective alpha-1 adrenergic receptor agonist, providing effective nasal decongestion by vasoconstriction of the nasal mucosa. Chlorpheniramine Maleate is a first-generation antihistamine that alleviates allergic symptoms such as sneezing, runny nose, and itching by competitively inhibiting histamine H1 receptors. Dextromethorphan Hydrobromide serves as a centrally acting antitussive agent that suppresses the cough reflex by acting on the medullary cough center without causing significant respiratory depression. Kofsum-DX Syrup is suitable for adults and children above the recommended age and should be used according to the prescribed dosage to minimize adverse effects such as drowsiness, dizziness, or gastrointestinal disturbances. Caution is advised in patients with hypertension, glaucoma, or concurrent use of monoamine oxidase inhibitors. This combination therapy offers a comprehensive approach to managing cold and allergy symptoms, enhancing patient comfort and facilitating recovery.