Acetyl Effervescent Tablet is used as adjuvant therapy in various respiratory diseases associated with excessive mucous secretion. Lung and airway diseases such as bronchitis, shortness of breath (emphysema), production of thick sticky mucus (cystic fibrosis) are usually related to excessive mucous secretion. It contains acetylcysteine which belongs to a class of medicines known as mucolytics (medicines that make the mucus less thick and sticky). Acetylcysteine present in Acetyl Effervescent Tablet helps in loosening the thick mucus and makes it easier to cough it out.