Doctor insights on:
Coughing Up White Foamy Phlegm
Phlegm is the thick, sticky mucus secreted by the surface of the respiratory tract during a cold or other respiratory infection. The respiratory tract includes the nose and sinuses, throat, voice box, bronchi, and lungs. Phlegm is mucus that may contain bacteria, viruses, respiratory surface cells, and inflammatory cells. Normal mucus is not phlegm, but a protective layer secreted ...Read more
Morning Phlegm: Think of gravity as your friend during the daytime when all the phlegm drains down but when you lay down at night, gravity is not your friend and those sinuses fill up with fluid. Then you wake up and gravity pulls everything down the back of your throat. ...Read more
Diagnosis first...: Before this cough can be treated, the cause needs to be diagnosed. Possibilities include acute bronchitis from an infection of the airways, chronic bronchitis, a form of copd, bronchospasm with airway inflammation, post-nasal drip or a combination of factors. The treatments for these are all different so you need to see your doctor so your cough can be diagnosed and treated. ...Read more
I don't get sick easily, but I have had a nasty wet cough & phlegm for nearly 2 weeks. What is it?
The cough reflex is a protective mechanism that uses muscles in your throat and chest to expel mucous and saliva that may contain pathogens that would otherwise possibly be inhaled via aerosol or to expel pathogens infecting the throat and respiratory system. Cough benefits the host by reducing load and benefits the pathogen which may then spread via aerosol. ...Read more