Which Dogs Are Most Prone to Ear Infections?
📝 Summary
A dog's L-shaped, narrow ear canal traps debris and invites infection. Small long-haired breeds, large floppy-eared dogs like Cocker Spaniels, Beagles, and Dachshunds, and some prick-eared breeds with tight canals such as Bulldogs are most at risk. Causes span primary (mites, allergies, tumors), predisposition (canal shape, systemic disease), and perpetuating (bacteria, fungi). Watch for head-shaking, foul discharge, and hearing loss, and keep the outer ear clean to protect the inner ear and nervous system.
1 High-Risk Breeds
1. Small long-haired dogs: narrow canals and long coats let bathwater linger and breed bacteria.
2. Large floppy-eared dogs: Cocker Spaniels, Beagles, Dachshunds and similar have poor ear ventilation and often grow ear hair, making the canal a haven for germs and mites.
3. Some prick-eared dogs: Bulldogs have very narrow canals that trap debris and resist cleaning.
2 Causes and Signs
Causes fall into primary (mites, food allergy, immune skin disease, tumors, foreign objects like grass seeds), predisposition (canal abnormality, blockage, systemic illness such as parvovirus or distemper), and perpetuating (bacteria, fungi, chronic middle-ear infection).
Signs include constant ear rubbing and head-shaking, uneven greasy discharge, pus, foul odor, redness, bleeding, hearing loss, and poor response to commands, with head-tilting and circling in advanced cases. Ear disease usually starts externally, so clean the outer ear routinely; once it reaches the inner ear it can damage the nervous system.
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