Coughing up brown mucus or brown phlegm from chest or throat can mean an infection or simply lung pollution. Some people cough up thick dark brown chunks after quitting smoking. Heres insight on the causes and what to do when you have this symptom every morning. Throat mucus doesnt indicate anything serious usually and actually is helpful in many ways. In most cases, it serves as a protective lubricant for your throat and keeps it moist. It plays a role in preventing dryness in your throat that causes irritation. Using alcohol excessively makes you more prone to respiratory infections, which can also result in brown mucus. This can be a sign of serious throat and lung infections as well. If you are a smoker, you may see brown mucus on a regular basis from the tar, resins, and chemicals in a cigarette or cigar. And gargle to loosen any mucus from allergies or a sinus infection thats affecting your throat. Coughing up black or brown mucus can occur when from environmental conditions like pollution or smoking. Other causes of brown phlegm include small amounts of blood located in the throat or further down in the airway. The mucus is not brown anymore and i feel a lot better in my throat in the morning. Im very surprised what salt water can do -) i was really worried about the brown color , but its obviously some kind of sinus problem. Most of the time, throat mucus is colorless or slightly milky. However, sometimes, throat mucus color can change, and this can be alarming. And, coughing up brown mucus can signal everything from serious health conditions to everyday and common causes. Phlegm may be clear (white), yellowgreen, brown, grey, black, pink, orange, containing red streaks, or frothy. Coughing up phlegm is mucus (sputum) that originates from the airways or lungs. It reveals inflammation in the respiratory organs below the vocal cords (voice box, windpipe, bronchi and lungs). The color, thickeness and even odor of the mucus may be helpful in. The mucus can range from clear to cloudy, brown, yellow, or green. Other signs are a fever , tiredness, shortness of breath, a sore throat , and a stuffy nose. If youre wondering what causes mucus in your throat, well, here are 19 causes post-nasal drip this is when mucus travels from the back of the nose down the throat.