Eprazinone is primarily used as a mucolytic and antitussive agent in the treatment of respiratory conditions. It helps in reducing the viscosity of mucus, making it easier to expel from the airways, which is particularly beneficial for patients suffering from chronic bronchitis, asthma, or other obstructive pulmonary diseases. Additionally, its antitussive properties help in suppressing cough, providing relief from persistent coughing associated with respiratory infections. The compound is often included in formulations aimed at improving respiratory function and alleviating symptoms of respiratory tract disorders.