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Observation
What you see. The starting point for addressing any equine health related issue is your observation.

YOU ARE OBSERVING

Swelling on Poll or Neck behind Skull

Summary

Swelling in this area is commonly associated with traumatic injury to the area or infection.

Fractures of the neck are common, especially among young horses. Traumatic injuries to the muscles, spine or nuchal ligament (the heavy ligament that attaches to the base of the skull and helps hold up the head), can result in such swelling. Horses that set back while tied can easily fracture their necks.

The swelling of this area has long been associated with a classic but now rare disease, "Poll Evil" which is caused by a Brucellosis bacterial infection.

  • Code Red

    Call Your Vet Immediately, Even Outside Business Hours
    • If you notice apparent wobbliness or weakness, in addition to this sign.
  • Code Orange

    Call Your Vet at Their First Available Office Hours
    • If the results of the Whole Horse Exam (WHE) suggest the horse is otherwise normal.
    • If the swelling is mild or moderate, and not increasing rapidly.

your role

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What To Do



Examine the area closely and assess the horse's general health using the Whole Horse Exam (WHE). Assess the horse's ability to walk, because spinal cord injuries can result in difficulty walking or wobbliness.

Share your findings and concerns with your vet.

What Not To Do

Do not force the horse to walk forward if they are very reluctant.

your vet's role

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Through examination, your vet may determine the nature of the swelling. Ultrasound and x-ray may be very useful, as may needle aspiration or biopsy of the tissue.
Questions Your Vet Might Ask:
  • When did you first notice this?
  • What is the horse's age, sex, breed and history?
  • Was the horse involved in an accident that you know of?
  • Does the horse react in pain when pressure is put on the area?
  • Have you noticed that the horse is stiff or sore?
  • Do you notice any apparent unsteadiness or wobbliness?
  • Can you see drainage or a wound?
  • What are the results of the Whole Horse Exam (WHE)?
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Treatments Your Vet May Recommend

A way to resolve the condition or diagnosis. Resolving the underlying cause or treating the signs of disease (symptomatic treatment)

Very Common
more treatments

Author: Doug Thal DVM Dipl. ABVP