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  2. What does the color of your mucus mean?

    www.aol.com/lifestyle/does-color-mucus-mean...

    "If you're a smoker and you’re coughing up blood, it is worrisome. Your doctor may take a more in-depth health history and order a chest X-ray before making a diagnosis." If your mucus is brown ...

  3. ENTs Share the the Right Way to Stop Post-Nasal Drip - AOL

    www.aol.com/ents-share-way-stop-post-161600506.html

    Coughing up discolored phlegm (green, yellow, or brown ­are all concerning colors) and that’s been persistent for more than two weeks. Coughing up blood-tinged mucus or phlegm. Difficulty ...

  4. Got snot? Here's what your mucus tells you about allergies ...

    www.aol.com/lifestyle/got-snot-heres-mucus-tells...

    Then mucus can help carry pathogens out of your body, whether you blow your nose or cough it up, she says. How to decode your mucus The color of your mucus can tell you information about your health.

  5. Sputum - Wikipedia

    en.wikipedia.org/wiki/Sputum

    Sputum is mucus that is coughed up from the lower airways (the trachea and bronchi).In medicine, sputum samples are usually used for a naked eye examination, microbiological investigation of respiratory infections and cytological investigations of respiratory systems.

  6. Phlegm - Wikipedia

    en.wikipedia.org/wiki/Phlegm

    Phlegm (/ ˈ f l ɛ m /; Ancient Greek: φλέγμα, phlégma, "inflammation", "humour caused by heat") is mucus produced by the respiratory system, excluding that produced by the throat nasal passages. It often refers to respiratory mucus expelled by coughing, otherwise known as sputum.

  7. Hemoptysis - Wikipedia

    en.wikipedia.org/wiki/Hemoptysis

    Blood-laced mucus from the sinus or nose area can sometimes be misidentified as symptomatic of hemoptysis (such secretions can be a sign of nasal or sinus cancer, but also a sinus infection). Extensive non-respiratory injury can also cause one to cough up blood. Cardiac causes like congestive heart failure and mitral stenosis should be ruled ...