causes of phlegm in throat
Mucus in the throat all the time is an annoying condition and the causes are the same as that of post nasal drip. Phlegm is produced as a result of an infection, an irritation to the throat, or a consequence of a serious disease or condition. Listed below are some of the causes of phlegm in adults and in children. Infections: Infections such as the common cold, flu, bronchitis, and COPD (chronic obstructive pulmonary disease) can result in excessive phlegm production.