Mucodyne 150mg Syrup is a mucolytic. It is used to treat a variety of respiratory tract problems that are caused by excessive mucus. It thins and loosens the mucus in the airway, making coughing easier. Mucodyne 150mg Syrup should be taken with or without food. It is recommended that you take it at the same time every day for best results. What you take it for determines the dose and frequency with which you take it. Your doctor will determine how much improvement you require. You should take this medicine for the entire time that it has been recommended for you.