Changes

**Catarrhal conjunctivitis may be present

**Catarrhal conjunctivitis may be present

*Less frequently, complications can occur as follows :

*Less frequently, complications can occur as follows :

**Purulent inflammation may extent to [[Guttural pouches - inflammatory|guttural pouches]] or [[Lungs - inflammatory#Infectious causes of pneumonia|lungs]], [[Paranasal sinuses - inflammatory#Infectious causes of sinusitis|sinusitis]]

**Purulent inflammation may extent to [[Guttural pouches - inflammatory|guttural pouches]] or [[Lungs - inflammatory#Infectious causes of pneumonia|lungs]], [[Paranasal Sinuses Inflammatory - Pathology#Infectious causes of sinusitis|sinusitis]]

**Bacteraemia with metastatic abscesses - most often to the mesenteric and mediastinal lymph nodes, less frequently, other organs such as [[Liver - Anatomy & Physiology|liver]], kidney and brain can be involved - '''Bastard strangles'''

**Bacteraemia with metastatic abscesses - most often to the mesenteric and mediastinal lymph nodes, less frequently, other organs such as [[Liver - Anatomy & Physiology|liver]], kidney and brain can be involved - '''Bastard strangles'''

**Retropharyngeal abscesses can rupture onto the skin of neck or into the [[Guttural pouches - inflammatory|guttural pouch]] resulting in '''guttural pouch empyema or chondroid formation''' - carrier state

**Retropharyngeal abscesses can rupture onto the skin of neck or into the [[Guttural pouches - inflammatory|guttural pouch]] resulting in '''guttural pouch empyema or chondroid formation''' - carrier state

===''Streptococcus equi subsp. zooepidemicus''===

===''Streptococcus equi subsp. zooepidemicus''===

*Causative agent [[Streptococci|''Streptococcus equi subsp. zooepidemicus'']]

*Causative agent [[Streptococci|''Streptococcus equi subsp. zooepidemicus'']]

*Can infect the respiratory tract ([[Nasal cavity - inflammatory#Infectious causes of rhinitis|nasal cavity]], [[Paranasal sinuses - inflammatory#Infectious causes of sinusitis|paranasal sinuses]], [[Trachea - inflammatory#Infectious causes of tracheitis|trachea]] and [[Bronchi and bronchioles - inflammatory#Infectious causes of bronchitis or bronchiolitis|bronchi/bronchioles]])

*Can infect the respiratory tract ([[Nasal cavity - inflammatory#Infectious causes of rhinitis|nasal cavity]], [[Paranasal Sinuses Inflammatory - Pathology#Infectious causes of sinusitis|paranasal sinuses]], [[Trachea - inflammatory#Infectious causes of tracheitis|trachea]] and [[Bronchi and bronchioles - inflammatory#Infectious causes of bronchitis or bronchiolitis|bronchi/bronchioles]])

*URT infection can be indistinguishable clinically from Strangles, but does not cause suppurative lymphadenitis (cf: ''S.equi subsp. equi'')

*URT infection can be indistinguishable clinically from Strangles, but does not cause suppurative lymphadenitis (cf: ''S.equi subsp. equi'')