Zymogen AX Syrup is a combination pharmaceutical formulation containing Terbutaline (1.5 mg), Ambroxol (15 mg), Guaifenesin (50 mg), and a flavoured mentholated base (1 mg) per dose, designed to provide comprehensive relief from respiratory tract disorders. Terbutaline, a selective β2-adrenergic receptor agonist, acts as a bronchodilator, facilitating the relaxation of bronchial smooth muscles and improving airflow in conditions such as asthma and chronic obstructive pulmonary disease (COPD). Ambroxol serves as a mucolytic agent, enhancing the clearance of mucus by breaking down its structure and promoting expectoration. Guaifenesin functions as an expectorant, increasing the hydration of respiratory tract secretions to ease mucus expulsion and alleviate congestion. The flavoured mentholated base provides a soothing effect on the throat and respiratory passages, enhancing patient compliance through improved palatability. Zymogen AX Syrup is indicated for symptomatic management of cough with mucus, bronchitis, and other respiratory conditions characterized by bronchospasm and viscous secretions. It should be used under medical supervision, with caution advised in patients with cardiovascular disorders, hyperthyroidism, or hypersensitivity to any components. The syrup is contraindicated in individuals with known hypersensitivity to any of its ingredients. Adverse effects may include tremors, palpitations, gastrointestinal disturbances, and allergic reactions. Proper dosing and adherence to prescribed guidelines are essential for optimal therapeutic outcomes.