Why is my horse's bite wound not healing?
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Overview
A horse bite wound may not be healing because it keeps getting rubbed, dirt has got into it, the skin edges are being pulled apart, or there’s an infection brewing. Some bite wounds look small on the surface but can be deeper than they first seem, so it’s worth checking them carefully.
Most of the time, the issue is something practical rather than serious, but a wound that stays sore, swollen or wet for several days does need closer attention.
Things To Check
1. Check whether the wound is being reopened by turnout, rugs, fencing, stable fittings or another horse.
2. Look closely for swelling, heat, redness, discharge, bad smell or increasing pain.
3. See if the wound is in a place that moves a lot, such as over a joint, on the shoulder, chest or flank.
4. Check whether flies, mud, bedding or sweat are keeping the area dirty or wet.
5. Notice if your horse is more resentful of touch, head-shy, tense or itchy around the area.
6. Compare the wound size day to day to see whether it is shrinking, staying the same or looking more open.
7. Make sure the wound was cleaned gently and that any scab or crust isn’t being repeatedly disturbed.
8. Watch for lameness, reduced appetite or a generally duller attitude alongside the wound.
Common Causes
The most common reason is repeated irritation. If a bite wound keeps getting rubbed, knocked or contaminated, it may look as if it is not healing at all.
Dirt, bedding, mud and sweat can slow normal healing, especially if the wound is in a hard-to-keep-clean area.
Some bite wounds have damaged skin deeper than expected, so the surface may close slowly or leave a pocket that takes longer to settle.
Infection is another common possibility, particularly if the area becomes hotter, puffier, more painful or starts to discharge.
Less commonly, the wound may be affected by movement over a joint or by another issue such as proud flesh on an open wound area, but that’s something a vet would need to assess if it’s not improving.
What To Do
Keep the area as clean and dry as you can without overhandling it.
Monitor it once or twice a day so you can spot whether it is improving, staying unchanged or getting worse.
Reduce the chances of repeat rubbing or knocks by checking rugs, stable surfaces, fencing and turnout companions.
If the wound is in a dirty or sweaty area, gentle hygiene and sensible turnout management can make a big difference to how easily it settles.
If you’re unsure whether it’s healing normally, take a photo each day in the same light. That makes changes much easier to spot.
When To Contact A Vet
Speak to your vet if the wound is getting more swollen, hot or painful, if there is discharge or a bad smell, if the skin edges are gaping, or if your horse is lame, dull or off their food. Bite wounds can also hide deeper tissue damage, so it’s sensible to get advice if it isn’t showing clear improvement after a couple of days.
Products That May Help
If you’re managing a bite wound as part of your horse’s routine care, this collection may be useful for keeping first aid and everyday wound care supplies together.
Related Questions
How do I know if my horse’s bite wound is infected?
Should I clean my horse’s bite wound every day?
When should a horse bite wound be left to heal on its own?
Atlas is here to support owners with practical, easy-to-understand guidance. It is not a substitute for professional veterinary advice. If you're concerned about your animal's health, symptoms worsen, or something doesn't feel right, contact your vet.