Mucolex is mucolytic medication. It is used in the treatment of various respiratory tract disorders associated with excessive mucus. Mucolex should be taken with or without food. For better results, it is suggested to take it at the same time every day. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. You should take this medicine for as long as it is prescribed for you. The most common side effects of this medicine include facial swelling, allergic reaction, shortness of breath,...