Doxofylline (Saphfylline) 400mg Tablet 30's is a bronchodilator used to treat conditions like asthma, chronic obstructive pulmonary disease (COPD), and other respiratory diseases that involve bronchospasm. Doxofylline works by relaxing the muscles in the airways, which helps improve airflow and ease breathing. Each tablet contains 400mg of Doxofylline, and the pack contains 30 tablets. It is important to follow the prescribed dosage and guidelines from a healthcare professional for optimal effectiveness and safety.