Pressure Hives in Horses

Updated March 10, 2025

In this episode of Ask the Vet, Dr. Lydia Gray and SmartPaker Sarah answer a question about a horse that breaks out in hives when being groomed. They discuss different factors that can cause pressure hives (also called pressure urticaria) and recommended steps horse owners take.


SmartPak Equine™ 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.