Benproperine phosphate is widely used as an effective antitussive agent, primarily to suppress coughing. It is particularly beneficial in treating dry, non-productive coughs by acting on the cough center in the brain, reducing the frequency and intensity of cough reflexes. This makes it a valuable component in managing respiratory conditions such as bronchitis, asthma, and other upper respiratory tract infections. Additionally, it is often included in combination therapies to enhance its efficacy in relieving cough symptoms. Its ability to provide rapid and sustained relief makes it a preferred choice in both clinical and over-the-counter cough medications.