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Toltrazuril Suspension: A Powerful Solution for EPM in Horses

Equine Protozoal Myeloencephalitis (EPM) is a devastating neurological disease that affects horses across North America. Managing and preventing EPM is a top priority for horse owners and veterinarians. One promising solution in the fight against EPM is Toltrazuril suspension. In this blog post, we will explore the benefits, usage, and considerations of Toltrazuril suspension for EPM in horses.

Understanding EPM in Horses

EPM is caused by a parasite called Sarcocystis neurona that affects the horse's central nervous system. Common symptoms include muscle weakness, incoordination, lameness, and changes in behavior. EPM can significantly impact a horse's performance and quality of life, making its management crucial.

The Role of Toltrazuril Suspension

Toltrazuril is an anti-protozoal medication that has shown promising results in combating EPM. It works by inhibiting the replication of the parasite responsible for the disease. The suspension form of Toltrazuril is particularly convenient for administering to horses, as it allows for precise dosing and easy oral administration.

Benefits of Toltrazuril Suspension

  1. Effective Treatment: Toltrazuril suspension has demonstrated effectiveness in reducing the severity of EPM symptoms and improving the horse's overall condition.

  2. Easy Administration: Administering the suspension is relatively straightforward, making it a practical choice for horse owners.

  3. Precision Dosing: The suspension form allows for accurate dosing, ensuring that your horse receives the right amount of medication.

  4. Reduced Risk of Side Effects: Compared to some other medications, Toltrazuril is generally well-tolerated by horses, with minimal side effects.

  5. Cost-Effective: It can be a cost-effective option for treating EPM when compared to other treatment methods.

Using Toltrazuril Suspension for EPM

Before administering Toltrazuril suspension to your horse, consult with a veterinarian to confirm the diagnosis and determine the appropriate dosage. The recommended dosage and duration of treatment may vary depending on the severity of the condition and the horse's individual factors.

Here are some essential steps to consider when using Toltrazuril suspension:

  1. Consultation: Seek guidance from a qualified equine veterinarian for an accurate diagnosis and treatment plan.

  2. Dosage: Follow the veterinarian's instructions for dosing and administering the suspension precisely.

  3. Monitoring: Keep a close eye on your horse's progress during treatment. Report any changes or concerns to your veterinarian promptly.

  4. Follow-up: Complete the entire course of treatment, even if your horse's symptoms improve before finishing the medication.

  5. Preventive Measures: Consider implementing preventive measures to reduce the risk of EPM recurrence, such as controlling opossums, the primary host for the parasite.


Toltrazuril suspension is a valuable tool in the fight against EPM in horses. Its effectiveness, ease of administration, and relatively low risk of side effects make it an attractive option for horse owners and veterinarians alike. However, it's crucial to remember that any medication should be used under the guidance of a qualified veterinarian. With the right treatment and care, horses afflicted with EPM can have a better chance at recovery and a higher quality of life.

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