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  1. Mucus: Phlegm, Causes, Colors & How To Get Rid Of It

    Sep 18, 2024 · Anything that causes inflammation or activates your immune system can change the amount, color or consistency of mucus in different parts of your body. Hormones and …

  2. Phlegm: Causes and How To Get Rid of It - Health

    Oct 21, 2025 · Excess phlegm is often a normal occurrence that comes with a healthy immune response. You will notice more phlegm when you have an infection, such as the common cold …

  3. What phlegm can tell you about your health – and when to see ...

    6 days ago · Your body’s immune response causes inflammation, and this makes you produce more mucus. This excessive production and build-up is called mucus hypersecretion.

  4. Coughing Up Mucus: Causes and Treatment Options

    Oct 15, 2025 · Phlegm, the mucus that comes from your respiratory system (also known as sputum) is released when you have a productive cough. The mucus will usually clear on its …

  5. Coughing up phlegm but not sick: Causes, phlegm colors, and more

    Mar 27, 2024 · This article looks at the possible causes of coughing up phlegm, treatment, what different colors of phlegm might indicate, and when a person might consider contacting a doctor.

  6. Mucus | American Lung Association

    Apr 25, 2025 · In the lungs, mucus plays a key role in protecting your lungs and airways from harmful irritants. Sputum and phlegm are other names sometimes used to refer to the mucus …

  7. Phlegm or Mucus in Throat: Causes, Treatment, and More

    Jul 9, 2024 · But sometimes, your body produces too much mucus, which requires frequent throat clearing. Learn what causes excess mucus and what you can do about it.

  8. What causes phlegm and congestion? - Piedmont Healthcare

    Jan 12, 2023 · Mucus keeps these tissues from drying out and protects them from outside materials, like bacteria, allergens, dust and viruses. All day, you inhale bacteria into your body, …

  9. Phlegm: Definition, Colors, Causes, and Conditions (2025)

    May 14, 2025 · Phlegm comes from the respiratory system, specifically produced by the mucous membranes lining the airways, including the throat, bronchi, and lungs. These membranes …

  10. What Causes Throat Phlegm and When to See a Doctor

    2 days ago · Understand if your throat phlegm is caused by infection, allergies, or reflux. Get clear guidance on when this symptom needs professional medical attention.