Magnatuss-DX Syrup Sugar Free is a pharmaceutical formulation combining Chlorpheniramine Maleate (4 mg/5 ml) and Dextromethorphan Hydrobromide (10 mg/5 ml), designed for effective symptomatic relief of cough and allergic conditions. Chlorpheniramine Maleate, a first-generation antihistamine, exerts its therapeutic effect by competitively inhibiting H1 histamine receptors, thereby alleviating allergic manifestations such as rhinorrhea, sneezing, and nasal congestion. Dextromethorphan Hydrobromide acts centrally on the cough center in the medulla oblongata to suppress the cough reflex, making it beneficial in managing non-productive coughs. The sugar-free formulation of Magnatuss-DX Syrup is particularly suitable for diabetic patients and individuals requiring sugar-restricted diets. This combination provides a dual mechanism of action, addressing both allergic symptoms and cough, thereby improving patient comfort and respiratory function. It is indicated for use in adults and children above the age of two years, with dosage adjustments recommended based on age and clinical condition. Caution is advised in patients with a history of hypersensitivity to either component, and concurrent use with monoamine oxidase inhibitors (MAOIs) or other central nervous system depressants should be avoided. Magnatuss-DX Syrup Sugar Free should be used under medical supervision to ensure safety and efficacy.