Mucus is a natural, slippery, and stringy fluid substance produced by many of the body's lining tissues.
These help in drying the excess mucus, however it may become difficult to expel the mucus.
These drugs thin the mucus which facilitates its expulsion. The process of getting mucus out of the throat becomes much easier with the help of mucolytics.
OTC drugs also help in getting the mucus out of the throat. The expulsion of mucus is what these medications focus on.