Canis ISSN: 2398-2942

Rhinitis

Contributor(s): Richard B Ford

Introduction

  • General term; many causes.
  • Cause: inflammation of nasal passages.
  • Signs: sneezing, nasal discharge.
  • Diagnosis: signs, radiography, nasal flush or biopsy.
  • Treatment: symptomatic or address underlying cause.
  • Prognosis: guarded for resolution, may → chronic rhinitis.

Pathogenesis

Etiology

Predisposing factors

General

  • Structural defects and regurgitation predispose to secondary rhinitis.

Specific

Pathophysiology

  • Underlying defect or immune system dysfunction → secondary bacterial (or occasionally fungal) invasion.
  • Initially acute inflammation (may) → chronic hyperplasia of nasal mucosa → chronic rhinitis.
  • Foreign body lodged within the nasal cavity.
  • Destructive lesion associated with neoplasia.

Timecourse

  • Depends on cause.
  • Acute (over drugs).
  • May persist for life.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Russo M, Lamb C R & Jakovljevic S (2000) Distinguishing rhinitis and nasal neoplasia by radiography. Vet Rad Ultra 41 (2), 118-124 PubMed.
  • Van Pelt D R, McKiernan B C (1994) Pathogenesis and treatment of canine rhinitis. Vet Clin North Am Small Anim Pract 24 (5), 789-806 PubMed.

Other sources of information

  • Bedford P G C (1995) Diseases of the nose. In: Textbook of Veterinary Internal Medicine 4th edn. Eds S J Ettinger & E C Feldman. Philadelphia: W B Saunders & Co. pp 551-567.


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