Pain signals

Horses naturally hide pain. Validated scales exist for the face and for ridden behaviour, but behaviour alone does not diagnose.

Pain signals: Horses naturally hide pain. Validated scales exist for the face and for ridden behaviour, but behaviour alone does not diagnose.
Read the combination and the context. Always read this signal together with the rest of the body and the situation.

What you see

Possible pain signals include a tense pain face (low, stiffly held ears, a tight eye area, a tense muzzle and mouth), a changed posture, eating less, stiffness, and under saddle behaviour such as tail swishing, pinned ears, teeth grinding and going against the aids.

What it can mean

  • Validated tools exist, such as the Horse Grimace Scale and the equine pain face description for the face.
  • For ridden behaviour there is the ridden horse pain ethogram of 24 behaviours, where 8 or more strongly points to pain.
  • Because horses are prey animals, they often hide pain, especially when someone is present.

What this does not prove

These signals are indications, not a diagnosis. Behaviour alone does not prove a specific problem, and the absence of clear signals does not rule pain out. Only a vet can establish pain and its cause.

Read the combination and the context

Watch above all for change from what is normal for this horse, and for several signals together. A new short fuse, eating less, stiffness or a change in behaviour under saddle weighs more than a single sign.

When to seek help

New or clear pain signals, or an unexplained change in behaviour, should be assessed by a vet. This section helps you observe and seek help in time; it is no substitute for veterinary examination.

This section helps you observe; it does not diagnose. Behaviour alone does not prove pain or illness. New or clear signs of pain and unexplained changes in behaviour should be assessed by a veterinarian.

Discover more

Sources: Dyson, S. (2022), Equine Veterinary Education (BEVA) · American Association of Equine Practitioners (AAEP) · Dalla Costa, E. et al. (2014), PLOS ONE · Gleerup, K. et al. (2015), Veterinary Anaesthesia and Analgesia · World Horse Welfare.