Otitis externa

Disease Overview

Otitis externa is the inflammation of the external ear canal. It is a common problem that affect 14-20% of dogs.

Merck Animal Health Solutions

For Otitis externa

Definition

Otitis externa is the inflammation of the external ear canal. It is a common problem that affect 14-20% of dogs.

Clinical signs of canineotitis externa

  • Pruritis(itching) of the ear
  • Head shaking
  • Exudate(discharge) present in and around the external ear canal
  • Malodor(bad smell) from the ear

Why dogs get otitis externa?

Most dogs get otitis externa because of allergies to environmental substances. The allergic reaction makes the ear itchy. Dogs respond by scratching, which damages the lining of the ear canal. Yeast and bacteria then seize the opportunity and infect the skin.