How much mucus is normal, and how much is too much? What does its color tell you about your health? Can you just get rid of it, or at least cut down on it, and how should you do that? Here are answers. Mucus' Mission. Mucus-producing tissue lines the mouth, nose, sinuses, throat, lungs, and gastrointestinal tract.
Green or yellow phlegm is commonly caused by: Bronchitis: This usually starts off with a dry cough and eventually some clear or white phlegm. Over time, you may start coughing up yellow and green phlegm. This is a sign that the illness may be progressing from viral to bacterial. Coughing can last up to 90 days.
The term phlegm signifies an inflammation that results into an excessive mucous production. This excessive mucous cough outs as a sputum. Sputum colour, consistency and nature may vary depending on the nature of the problem. It can be clear or of various colours such as yellow, green, red or brown. It can be watery or thick in consistency.
Thick, white nasal mucus may be normal in some people, but, for the most part, it indicates inflammation of some kind. While seasonal allergies are a common cause (they cause inflammation at the level of the nose lining), thicker than usual, white mucus can indicate the beginning of a respiratory infection as well.
It may be yellow, green, or have a reddish or brownish tinge to it. What do those colors mean? You might have heard that yellow or green mucus is a clear sign that you have an infection, but despite that common misperception, the yellow or green hue isn't due to bacteria.