Causes of Otitis Externa in Dogs Dogs with long floppy ears or thick hair within the ear may be more prone to this condition. Allergies to some environmental irritants such as mold, dust and some foods. Bacterial or yeast infections. Tumor. Infection through your dog breaking the skin during scratching their ears.
How do you treat otitis externa in dogs?
Most cases of otitis externa with yeast respond well to topical therapy, but systemic antifungals such as ketoconazole (dogs) or terbinafine (dogs and cats) may be helpful. If otitis media is suspected in addition to otitis externa, CT or MRI can be useful to decide whether a myringotomy and middle ear flush is needed.
How do you prevent otitis externa in dogs?
To try and prevent further instances of otitis externa you should regularly clean your dog's ears. Some dogs may be more prone to chronic otitis, and regular cleaning is unlikely to prevent this.
How is otitis externa caused?
Causes of otitis externa can include: a bacterial infection – usually by bacteria called Pseudomonas aeruginosa or Staphylococcus aureus. seborrheic dermatitis – a common skin condition where the naturally greasy areas of your skin become irritated and inflamed, which can sometimes affect the ears.
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