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What Is Green Sputum?

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  • Written By: N. Madison
  • Edited By: Rachel Catherine Allen
  • Last Modified Date: 03 September 2016
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Mucus combines with the saliva in a person’s mouth to form what is referred to as sputum. A person’s sputum can be just about any color, but sometimes it is green. Typically, the green coloring develops because of an infection in the respiratory system, and the affected person notices it after a bout of coughing. While not always a cause for alarm, the presence of green sputum may warrant the attention of a doctor.

There are many reasons mucus might mix with saliva to form sputum. Sometimes something as simple as a cold is at fault, but a person may also experience this because of an allergy or as a reaction to respiratory tract irritation brought on by smoking. Some people might even have mucus present in the mouth because of a condition called GastroEsophageal Reflux Disease (GERD), which is marked by the reverse movement of stomach acid and food particles into a person’s throat. Often, the mucus related to these conditions is clear, whitish, or yellowish, and the sputum that forms has a similar coloring. Green sputum, on the other hand, often develops because a bacterial infection is present.

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A person can be affected by a variety of bacterial infections that involve the respiratory system. This means that an individual usually needs a doctor's help in determining the cause of his green sputum. Among the bacterial infections that may cause this symptom are bacterial forms of pneumonia and bronchitis as well as tuberculosis and infection of the sinuses. Though less common, infection of the larynx, which is the voice box, or the pharynx, which is a structure of the throat, causes this symptom.

Though viral conditions are not usually responsible for green sputum, they can be the starting point of the problem. For example, a common cold may fail to go away in the time expected and worsen because of the presence of bacteria that multiply and cause additional symptoms. In fact, some people first realize they have a more serious illness when they notice the green phlegm and note that their symptoms are getting worse rather than better.

Doctors do not treat green sputum since it is a symptom rather than an illness. Instead, they typically focus on the condition responsible for the mucus and the coughing that forces it into the mouth. Since bacterial infections are usually at fault, antibiotics are typically prescribed to kill the bacteria and relieve the associated symptoms.

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clintflint
Post 3

@Iluviaporos - I agree that we are probably over-medicated, but I think it's dangerous to ignore childhood disease with the attitude that they should just tough it out in order to get better immune systems.

What you need to do, as a parent, is learn at what point your children need to go to the doctor. Most parents pick this up eventually. Green or even yellow sputum is a good indicator that they have moved beyond just a cold to an infection.

It's all very well to talk about them developing a strong immune system, but there's a reason kids in countries without medical attention die all the time.

lluviaporos
Post 2

@Fa5t3r - I don't like getting antibiotics because they train the immune system to be a bit weaker each time you use them. Even if it takes a while, it's better for people to try and fight infections off on their own.

This is particularly true for kids. If parents overreact and give them medication for every little sniffle they will soon start developing more and more sniffles until they have chronic bronchitis or something worse for the rest of their lives.

Fa5t3r
Post 1

I really hate it when my sputum changes from yellow to greenish because up to that point I can usually beat whatever it is on my own, but after that I generally have to go to the doctor and get some antibiotics.

Luckily it hasn't happened very often, because I don't like going on antibiotics when I don't need to, but if it's a choice between feeling like death for weeks or clearing it up in a few days, I'll pick the days, thanks very much.

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