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'''For an overview of respiratory infections see [[Respiratory System Inflammation - Pathology|Respiratory system - inflammation]]'''
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==Infectious agents==
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*Inflammation of the [[Larynx - Anatomy & Physiology|larynx]] - laryngitis.
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*Laryngitis can occur as part of an extension of an upper or lower viral or bacterial respiratory infection
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**eg: [[Respiratory Viral Infections - Pathology#Infectious bovine rhinotracheitis (IBR)|IBR]], [[Respiratory Viral Infections - Pathology#Feline viral rhinotracheitis|FHV-1]],  [[Respiratory Viral Infections - Pathology#Equine rhinopneumonitis|EHV-1]], [[Orthomyxoviridae|influenza viruses]]
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**eg: [[Bordetella bronchiseptica and Bordetella avium|''Bordetella bronchoseptica'']], [[Streptococci|''Strep. equi.'' subsp. ''zooepidemicus/equi'']], [[Pasteurella species and Mannheimia haemolytica|''Pasturella multocida'']]
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*May cause
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**Obstruction to airflow
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**[[Lungs - inflammatory#Aspiration pneumonia|Aspiration pneumonia]]
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*Acute inflammation passes through the same stages as in [[Nasal cavity - inflammatory#Rhinitis|rhinitis]]
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===Arytenoid chondropathy===
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*Progressive inflammatory chondritis of horses
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*May be associated with granulomas and discharging tracts
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=='''Infectious causes of laryngitis'''==
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{| cellpadding="10" cellspacing="0" border="1"
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| .
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| [[Respiratory Viral Infections - Pathology|'''VIRAL''']]
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| [[Respiratory Bacterial Infections - Pathology|'''BACTERIAL''']]
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| [[Respiratory Fungal Infections - Pathology|'''FUNGAL''']]
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| [[Respiratory Parasitic Infections - Pathology|'''PARASITIC''']]
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|-
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| '''Dogs'''
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| .
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| .
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| .
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| .
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|-
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| '''Cats'''
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| [[Respiratory Viral Infections - Pathology#Feline viral rhinotracheitis|Feline viral rhinotracheitis]]
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| .
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| .
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| .
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|-
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| '''Horses'''
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| [[Respiratory Viral Infections - Pathology#Equine influenza|Equine influenza]]
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| .
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| .
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| [[Respiratory Parasitic Infections - Pathology#Besnoitia bennetti|''Besnoitia bennetti'']]
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|-
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| .
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| [[Respiratory Viral Infections - Pathology#Equine rhinopneumonitis|Equine rhinopneumonitis]]
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| .
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| .
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| .
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|-
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| '''Cattle'''
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| [[Respiratory Viral Infections - Pathology#Infectious bovine rhinotracheitis (IBR)|Infectious bovine rhinotracheitis]]
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| [[Respiratory Bacterial Infections - Pathology#In Cattle|Necrotic laryngitis]]
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| .
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| [[Respiratory Parasitic Infections - Pathology#Syngamus laryngeus|''Syngamus laryngeus'']]
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|-
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| '''Sheep'''
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| .
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| [[Respiratory Bacterial Infections - Pathology#Laryngeal chondritis|Laryngeal chondritis]]
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| .
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| .
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|-
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| '''Pigs'''
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| [[Respiratory Viral Infections - Pathology#Swine influenza|Swine influenza]]
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| [[Respiratory Bacterial Infections - Pathology#Necrotic laryngitis in pigs|Necrotic laryngitis]]
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| .
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| .
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|-
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|}
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'''For an overview of respiratory infections see [[Respiratory System Inflammation - Pathology|Respiratory system - inflammation]]'''

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