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Other names: Catarrhal inflammation
Depiction of a person suffering from Nasal Congestion.png

Catarrh is an exudate of inflamed mucous membranes in one of the airways or cavities of the body, usually with reference to the throat and paranasal sinuses.[1] The phlegm produced by catarrh may either discharge or cause a blockage that may become long-term.[1]

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 infection. It is a symptom usually associated with the common cold, pharyngitis, and chesty coughs, but it can also be found in people with adenoiditis, otitis media, sinusitis or tonsillitis.

The word "catarrh" was widely used in medicine since before the era of medical science, which explains why it has various senses and in older texts may be synonymous with, or vaguely indistinguishable from, common cold, nasopharyngitis, pharyngitis, rhinitis, or sinusitis. The word is no longer as widely used in American medical practice, mostly because more precise words are available for any particular disease. Indeed, to the extent that it is still used, it is no longer viewed nosologically as a disease entity but instead as a symptom, a sign, or a syndrome of both. The term "catarrh" is found in medical sources from the United Kingdom.[2] The word has also been common in the folk medicine of Appalachia, where medicinal plants have been used to treat the inflammation and drainage associated with the condition.[3]

Clinical relevance

Because of the human ear's function of regulating the pressure within the head region, catarrh blockage may also cause discomfort during changes in atmospheric pressure.


The word "catarrh" comes from 15th-century French catarrhe, Latin catarrhus, and Greek Ancient Greek: καταρρεῖν[4] (katarrhein): kata- meaning "down" and rhein meaning "to flow." The Oxford English Dictionary quotes Thomas Bowes' translation of Pierre de la Primaudaye's The [second part of the] French academie (1594): "Sodainely choked by catarrhes, which like to floods of waters, runne downewards."[5]

See also


  1. 1.0 1.1 Cathcart, Russell. "Catarrh". Archived from the original on 2 May 2022. Retrieved 2 May 2022.
  2. "Catarrh". NHS Choices. GOV.UK. February 17, 2016. Archived from the original on October 17, 2017. Retrieved September 20, 2016.
  3. "A Guide to Medicinal Plants of Appalachia" (PDF). 1969. Archived (PDF) from the original on May 19, 2017. Retrieved May 12, 2015.
  4. Chisholm, Hugh, ed. (1911). "Catarrh" . Encyclopædia Britannica (11th ed.). Cambridge University Press.
  5. "catarrh". OED Online. Oxford University Press. Archived from the original on December 22, 2019. Retrieved May 12, 2015.

External links