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  • Sputum: Definition, colors, causes, and when to see a doctor
    Sputum is a type of thick mucus produced by the lungs This article explains the types of sputum, what causes changes, and when to speak with a doctor
  • Mucus: Phlegm, Causes, Colors How To Get Rid Of It
    It lines your mucous membranes and helps trap and destroy or clear out germs and harmful particles Mucus gets thick and sticky and might be white, yellow or green when you have an infection It’s also called phlegm, snot or sputum Mucus is usually thin and clear
  • Mucus vs. Phlegm vs. Sputum: Whats the Difference? (2026)
    Sputum refers to the material that is actually coughed up and expelled from the lower airways It may contain phlegm along with saliva, cellular debris, and microorganisms
  • Sputum - Wikipedia
    Sputum is mucus that is coughed up from the lower airways (the trachea and bronchi) It is commonly referred to as "phlegm" In medicine, sputum samples are usually used for a naked-eye examination, microbiological investigation of respiratory infections, and cytological investigations of respiratory system
  • Understanding Sputum and What the Different Colors Mean
    Sputum is a mix of cells, foreign matter, and white blood cells produced in the respiratory tract An increased amount of sputum is often due to increased respiratory inflammation and is the body's attempt to protect and heal damage to the airways
  • Understanding Mucus in Your Lungs - American Lung Association
    Mucus in the lungs is known as phlegm or sputum It is a common symptom in chronic lung diseases such as COPD (including chronic bronchitis and emphysema), cystic fibrosis, bronchiectasis, NTM lung disease or asthma
  • Phlegm: Causes and How To Get Rid of It - Health
    Bloody, brown, white, yellow, or green phlegm may be a sign of an underlying condition or infection Viral and bacterial infections, allergies, and respiratory illnesses can cause phlegm as a
  • Phlegm Cheat Sheet: Recognizing Normal and Concerning Colors and . . .
    “Mucus is made up of electrolytes and proteins, and it’s part of our normal immune defenses Our body uses it to lubricate the respiratory tract to capture things like bacteria, so it doesn’t get into our body Overall, phlegm is our friend It helps protect our body from infections,” he says
  • Sputum - Physiopedia
    Sputum is not saliva but the thick mucus (sometimes called phlegm) which is coughed up from the lungs The body produces mucus to keep the thin, delicate tissues of the respiratory tract moist so that small particles of foreign matter that may pose a threat can be trapped and forced out
  • How to Induce Sputum: Procedure, Equipment Safety
    Sputum induction uses inhaled saline mist to draw water into your airways, loosening mucus deep in your lungs so you can cough up a sample for laboratory testing The procedure typically takes 15 to 20 minutes and has a success rate of about 97% when performed with hypertonic saline concentrations up to 6% It is most commonly used to diagnose conditions like tuberculosis, pneumonia, and





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