Doxofylline (Doxofar) 400mg Tablet 30's is a medication used primarily for the treatment of respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and other conditions related to bronchospasm. Doxofylline is a bronchodilator that helps to relax the muscles of the airways, making it easier to breathe. The tablets come in a dosage of 400mg, and the pack contains 30 tablets. It is important to follow your healthcare provider's instructions regarding the correct dosage and use.