For heavy smokers, they are likely to exhibit symptoms such as: It is considered one of the primary causes of coughing up brownish mucus, due to the combination of nicotine, tar, and resins that are accumulating in your lung and bronchial passages. Why am I coughing up thick brown phlegm and spatum? The causes can range from serious and severe to less risky reasons. Smoking excessively may cause your mucus to start turning brown in color due to the tar, particulate matters, and resin that is present in cigarettes.įor people who do not smoke, it is still possible to produce brown mucus because of the kinds of foods that they could be consuming e.g.
Smokers tend to produce a lot of brown mucus, which in many cases is combined with saliva to form a grainy like texture. If you find that you are coughing up large amounts of mucus, then it means that you may have an allergic reaction or an infection. The human body can be described as a mucus-manufacturing machine, as it produces between one and one point five liters of mucus each day, even when it is not healthy.