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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.
However, some researchers argue that the flow of mucus down the back of the throat from the nasal cavity is a normal physiologic process that occurs in all healthy individuals. [1] Some researchers challenge post-nasal drip as a syndrome and instead view it as a symptom, also taking into account variation across different societies.
Throat clearing may be articulated consciously or unconsciously, and may be a symptom of a number of conditions, as follows: Laryngopharyngeal (upper respiratory tract) ailments: [1] Common cold or post-nasal drip: The nose dispatches mucus which is meant to assist clearing infections and allergens. Mucus which is thick is forced out with a ...
Chest congestion is usually caused by excess mucus in the airways, says Meilan King Han, M.D., M.S., professor of medicine and chief of the Division of Pulmonary and Critical Care at the ...
During the week ending Feb. 1, nearly 8% of visits to health care providers were for influenza-like illness (a fever plus a cough or sore throat) — the highest level seen since the peak of the ...
Its thick texture coats the throat, calming irritation and soothing the urge to cough. Try 1 to 2 teaspoons of honey on its own or stir it into a warm drink like tea or hot water.
Catarrh (/ k ə ˈ t ɑːr / kə-TAR) is an inflammation of mucous membranes in one of the airways or cavities of the body, [1] [2] usually with reference to the throat and paranasal sinuses. It can result in a thick exudate of mucus and white blood cells caused by the swelling of the mucous membranes in the head in response to an
Having green, yellow, or thickened phlegm (sputum) does not always indicate the presence of an infection. Also, if an infection is present, the color of the phlegm (sputum) does not determine whether a virus, a bacterium or another pathogen has caused it. Simple allergies can also cause changes in the color of the mucus. [1]