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| {{SI}}
| | #redirect:[[Rhinitis]] |
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| {{CMG}}
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| ==Overview==
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| '''Catarrh''' (commonly known as a "runny nose") is a discharge or [[mucus]] blockage caused by the swelling of the [[mucous membrane]]s. The symptom is usually associated with the [[common cold]], but can also be found in patients with [[otitis media|middle ear infection]]s, [[tonsillitis]], [[sinusitis]] or an [[adenoid]] infection. Some blockages may be chronic.
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| ==Historical Perspective==
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| The word "catarrh" comes from the Greek "katarrhein": ''kata-'' meaning "down" and ''rhein'' meaning "to flow."
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| ==Causes==
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| * [[Common cold]]
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| * [[Allergy]]
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| * [[Hay fever]]
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| * [[Rhinitis]]
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| * [[Sinusitis]]
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| ==Natural History, Complications, Prognosis==
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| Catarrh can result in the inability of the [[Eustachian tube]] to equalize the pressure on the two sides of the eardrum resulting in pain and damage to the eardrum (barotrauma).
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| As a result of the inability to equalize the pressure, there can be a buildup of pressure around the eardrum which results in ear pain. As a result, catarrh can result in discomfort with changes in air pressure such as those that accompany:
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| *Elevators
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| *Airplanes
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| *Traveling at elevation
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| and other activities associated with a change in air pressure.
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| Even the shallow end of a swimming pool can be problematic to the person with catarrh in so far as [[barotrauma]] to the middle ear can occur in as little as 4 feet of water.
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| Sexual catarrh refers to a runny nose following sexual intercourse.
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| [[Category:General practice]]
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| [[Category:Otolaryngology]]
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| [[Category:Signs and symptoms]]
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| [[Category:Mature chapter]]
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| [[de:Katarrh]]
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| [[it:Catarro]]
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| [[lt:Gerklės kataras]]
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| [[pt:Escarro]]
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| [[kab:Tikerdeddit]]
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| [[sv:Katarr]]
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