Respiratory

Question 1

What are the causes of nasal discharge in dogs?

Answer 1

Systemic
- vascular - coaguloapthies, immune mediated thrombocytopaenia
- Gastro-esophageal reflux disease (particularly in brachycephalic dogs)
- xeromycteria
- some infectious lower airway disease

Local
- trauma, nasal foreign body,
- neoplasia (sarcoma, adenocarcinoma, nasal polyps, lymphoma)
- dental disease (oronasofistula, tooth root abscess)
- Infectious - nasal mites, lingitula serrata, infectious canine respiratory disease complex, aspergillus, cryptococcus, penicillium, rhinosporidium
- Inflammatory - lymphoplasmacytic rhinitis

Misc.
- Primary ciliary dyskinesia

Question 2

What are causes of nasal discharge in cats?

Answer 2

Systemic
- Coagulopathies, immune mediated thrombocytopaenia

Local
- Neoplasia - lymphoma, adenocarcinoma, sarcoma, nasal/ nasopharyngeal polyps
- Infectious - feline upper respiratory disease complex, cryptococcus, aspergillus
- Inflammatory - chronic rhinosinusitis
- Dental - tooth root abscess, oronasal fistula
- Trauma, nasal foreign body

Misc.
- Primary ciliary dyskinesia