Diseases and Conditions
Compendium Articles
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Dorsal Spinous Process Impingement
Bony prominences involved in the kissing spines start at the horse's withers with the first thoracic vertebra (T1) and continue to the point of the hip with the last lumbar vertebra (L6), with T13 - T18 being the most commonly affected.
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Dourine
Learn about Dourine, a protozoal venereal disease which has been largely eradicated in the United States, but that horse owners should be aware of in case of an outbreak because of the serious nature of the disease.
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Ear Mites
Learn about ear mites in horses, other conditions with the same symptoms, and how to prevent and treat infestations of ear mites.
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Eastern Equine Encephalitis
Learn about Eastern Equine Encephalomyelitis and why proper vaccination along with control of the mosquito population, is the best prevention of this disease that has a 90 percent fatality rate.
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Enterolithiasis
Learn about Enteroliths or stones that form in the intestines of the horse and why it is important that the condition is recognized and treated to prevent a rupture of the intestine that will cause the death of the horse.
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Entropion
 Learn about Entropion, a condition that affects the eyelids of young foals causing excessive tearing and discomfort and why minor surgery or suturing is usually necessary to prevent serious ulceration and infection of the eye.
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Epiphysitis
Learn how Epiphysitis is related to rapid bone growth in young horses and how the best prevention is proper diet, proper exercise, and careful hoof trimming based on a veterinarian's advice.
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Epistaxis
 Learn about Epistaxis, commonly referred to as nose bleed in horses, the causes, and the accompanying symptoms that indicate a more serious condition than simply a self-limiting nose bleed.
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Equine Ehrlichiosis
Learn about Equine Erlichiosis which is caused by an organism carried by ticks, the symptoms, and why it is difficult to diagnose because of the similarities to other horse diseases.
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Equine Encephalomyelitis
 Learn about the three strains of Equine Encephalitis, a zoonotic disease spread by mosquitoes, and why veterinary care in the early stages is crucial to help the horse survive the effects of the virus.