(indications):this medication is a mucolytic agent, prescribed for various respiratory diseases such as emphysema with bronchitis pneumoconiosis, chronic inflammatory pulmonary conditions, tracheobronchitis (respiratory tract inflammation), bronchiectasis, bronchitis with bronchospasm asthma. (dosage) : the recommended dose is 30-120 mg/day in 2-3 divided doses.(warnings and precautions) : caution needed for pregnant and breastfeeding women.