Brand Name: Airvent-Ml Tablets Composition: Acebrofyline 200mg SR + Montelukast 10mg Description: Acebrophylline belongs to a class of drugs called bronchodilators and is used primarily to prevent and treat symptoms of asthma, chronic obstructive pulmonary disease (COPD), and other lung diseases. Montelukast is a prescription medicine used to treat asthma and seasonal allergies. It blocks the effect of leukotrienes, a type of inflammatory chemical messenger.