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Equine Ulcers: Understanding the Types, Causes, and Treatments

As an owner or caretaker of a horse, it is important to understand the various health issues that can affect your animal. One of the most common digestive problems in horses is equine ulcers. These sores can be painful and uncomfortable for your horse, and if left untreated, can lead to more serious health issues. In this article, we will explore the types, causes, and treatments of equine ulcers.
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Equine Ulcers: Understanding the Types, Causes, and Treatments

Types of Equine Ulcers

There are two types of equine ulcers: gastric ulcers and hindgut ulcers. Gastric ulcers occur in the upper portion of the digestive tract, specifically in the lining of the stomach. Hindgut ulcers occur in the lower digestive tract, specifically in the cecum and colon. Both types of ulcers can cause similar symptoms, such as poor appetite, weight loss, and poor performance.

Causes of Equine Ulcers

The most common cause of equine ulcers is stress. Horses that experience significant stress, such as changes in routine, traveling, or competition, are at a higher risk of developing ulcers. A diet that is high in carbohydrates and low in fiber, as well as long periods without food, can also increase the risk of ulcers. The use of non-steroidal anti-inflammatory drugs (NSAIDs) can also contribute to the development of ulcers.

Treatments for Equine Ulcers

The treatment for equine ulcers depends on the type and severity of the ulcers. For gastric ulcers, the most common treatment is medication such as proton pump inhibitors (PPIs) or histamine receptor antagonists (H2 blockers). These drugs work by reducing the amount of acid in the horse’s stomach, which helps to reduce the pain and discomfort associated with ulcers. For hindgut ulcers, a high-fiber diet, along with supplements such as probiotics and prebiotics, may be helpful.

Equine Ulcers

Preventing Equine Ulcers

The best way to prevent equine ulcers is to reduce stress in your horse’s life. This can be achieved by maintaining a consistent routine, providing ample turnout time, and ensuring your horse has access to high-quality hay and forage. Avoiding the use of medications that increase the risk of ulcers, such as NSAIDs, is also important. If you suspect your horse may have ulcers, it is essential to consult with your veterinarian to develop an appropriate treatment plan.


Equine ulcers are a common and painful condition that can significantly affect your horse’s health and well-being. Understanding the causes and treatments of ulcers can help you prevent and manage this condition in your horse. As a responsible owner or caretaker, it is your duty to take care of your horse’s health and ensure they receive the proper treatment and care they need.