
Decongestants are medicines not only easy to use and cheap, but also effective. Generally, they are used to treat nasal congestion and other symptoms associated with colds and allergies. Nasal congestion is the blockage of nasal passages due to common colds, flu, or allergies; it also can be caused by overuse of some nasal sprays or drops (if your stuffiness is getting worse, you may be suffering from a rebound effect known as chemical rhinitis). ...