4 Common Equine Respiratory Conditions

Respiratory infections and alterations in airway structure and function can cause horses to perform poorly, have difficulty breathing, and develop fever or nasal discharge.

Respiratory infections and alterations in airway structure and function can cause horses to perform poorly, have difficulty breathing, and develop fever or nasal discharge. While some conditions, such as exercise-induced pulmonary hemorrhage, can get progressively worse over time, others, such as equine asthma, are manageable. Others still are infectious and require prompt action to keep surrounding horses healthy. The key is working with your veterinarian to pinpoint the cause of your horse’s respiratory issue. Use this guide to understand the conditions that can affect the lower portion of the equine airways.

Airway Anatomy of the Horse

Lower Respiratory Issues:

Lower Respiratory Issues in Horses


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If your horse shows any of these signs of a respiratory condition, ask your veterinarian to perform a clinical exam and diagnostic testing to determine the underlying cause.