What should I do if my horse’s skin is weeping under the scabs?
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Overview
If your horse’s skin is weeping under the scabs, it usually means the area is irritated and the skin barrier has been damaged. Mud fever is a common reason, but there can be other causes too, so it’s best to look closely rather than pick scabs off or assume it’s just dirty skin.
Things To Check
1. Check whether the weeping is only on the lower legs or whether it’s spreading higher up the limb.
2. Look for heat, swelling, soreness, thickened skin, or an obvious reaction when you touch the area.
3. See whether there are loose scabs, raw patches, hair loss, or yellowish discharge underneath.
4. Think about recent turnout, wet fields, deep bedding, mud, or repeated washing that may have kept the skin damp.
5. Check if the horse is lame, very sensitive, or reluctant to lift the leg, as this can affect how you manage it.
6. Note whether the skin looks worse after exercise, turnout, or being stabled in damp conditions.
7. Watch for crusting around the heels, pasterns, or fetlocks, as these are common spots for mud-related skin trouble.
Common Causes
Mud fever is one of the most common reasons for scabs and weeping skin on the lower legs, especially when the skin has been wet, muddy or irritated for a while.
It can also happen if the skin has been over-washed, rubbed, or clipped too closely, because that can leave it more vulnerable.
Sometimes flies, mites, a minor skin infection, or another dermatitis can make the area look similar, so it’s not always possible to tell the cause just by appearance.
What To Do
Keep the area as clean and dry as you reasonably can, but be gentle. If you need to wash mud away, use lukewarm water and avoid scrubbing the scabs off.
Pat the skin dry thoroughly after any cleaning. If the ground is very wet or muddy, reducing exposure where possible may help limit further irritation.
Try not to keep checking or picking at the scabs, as that can make the skin more sore and delay settling.
Monitor the leg over the next day or two. If it’s improving, continue with a calm, consistent hygiene routine and keep conditions as dry as practical.
When To Contact A Vet
Contact your vet if the leg is getting more swollen, hot or painful, if the horse is lame, if the weeping is spreading, or if the skin looks badly cracked, infected or very sore. You should also get advice if there’s no improvement after a few days of sensible home care.
Products That May Help
When mud fever is making the lower legs messy or hard to keep clean, a simple hoof, leg and mud care routine can be useful as part of day-to-day management.
Related Questions
How do I clean mud fever scabs without making them worse?
Should I bandage a horse with weeping skin on the legs?
Can mud fever spread to other legs?
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.