Doximar® is a bronchodilator syrup manufactured by ACI Limited in Bangladesh. Each 5 ml contains 100 mg of Doxofylline, a xanthine derivative that relaxes bronchial smooth muscles by inhibiting phosphodiesterase-4 (PDE-4). It is used to treat respiratory conditions such as asthma, chronic obstructive pulmonary disease (COPD), and bronchospasm