ISSN 2398-2969      

Nasal discharge

icanis

Introduction

  • Cause: nasal discharge is a clinical sign, rather than a disease. As such, it may be associated with numerous causes.
  • Signs: different types of discharge may be present and the discharge may be unilateral or bilateral. Various accompanying signs may depend on the underlying etiology.
  • Diagnosis: this will focus on the investigation of nasal discharge to obtain a diagnosis.
  • Treatment: symptomatic treatment may be given, with more specific treatments available depending on the etiology.
  • Prognosis: will depend on underlying cause.
Print off the owner factsheet on Nasal discharge in dogs to give to your client.Follow the diagnostic tree for Nasal discharge in dogs.

Pathogenesis

Etiology

Predisposing factors

General

  • Nasopharyngeal stenosis may occur following aspiration of gastric contents into the nasopharynx (eg following general anesthesia or severe vomiting).

Pathophysiology

  • Nasal discharge may arise for two reasons:
    • Over-production of secretions, eg as a result of stimulation of glands by irritant factors.
    • Obstruction to the normal caudal movement of particulate material and mucus to the nasopharynx for expectoration or swallowing.

Timecourse

  • Acute signs are often associated with foreign bodies, trauma or respiratory tract infections.
  • Inflammatory diseases and neoplasia tend to be more insidious in nature.

Diagnosis

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Treatment

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Tasker S, Knottenbelt C M, Munro E A, Stonehewer J, Simpson J W & Mackin A J (1999) Aetiology and diagnosis of persistent nasal disease in the dog - a retrospective study of 42 cases. JSAP 40 (10), 473-478 PubMed.
  • Willard M D & Radlinsky M A (1999) Endoscopic examination of the choanae in dogs and cats - 118 cases (1988-1998). JAVMA 215 (9), 1301-1305 PubMed.
  • Clercx C, Wallon J, Gilbert S, Snaps F & Coignoul F (1996) Imprint and brush cytology in the diagnosis of canine intranasal tumours. JSAP 37 (9), 423-427 PubMed.
  • Codner E C, Lurus A G, Miller J B, Gavin P R, Gallina A & Barbee D D (1993) Comparison of computed tomography with radiography as a noninvasive diagnostic technique for chronic nasal disease in dogs. JAVMA 202 (7), 1106-1110 PubMed.

Other sources of information

  • Van Pelt D R & McKiernan B C (1994)Pathogenesis and treatment of canine rhinitis.Vet Clinic NA24, 789-806.
  • McCarthy T C & McDermaid S L (1990)Rhinoscopy.Vet Clin North Am Small Anim Pract20, 1265-1290.

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