What are Summer Sores on Horses?

Updated October 16, 2024

In this episode of Ask the Vet, Dr. Gray and SmartPaker Dan answer a viewer question about summer sores on horses, also referred to by veterinarians as habronematidosis or cutaneous habronemiasis. Dr. Gray explains how a horse gets these "fly sores," what to do about them if your horse has them, and ways to help prevent summer sores from recurring.


SmartPak strongly encourages you to consult your veterinarian regarding specific questions about your horse's health. This information is not intended to diagnose or treat any disease, and is purely educational.