Why is my horse losing hair around the pasterns in winter?
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Overview
Hair loss around the pasterns in winter is often linked to mud, wet ground and skin irritation, and mud fever is a common reason owners notice it. It can also happen with rubbing, scurf, minor skin damage or other skin problems, so it’s worth checking the area carefully rather than assuming it’s one thing straight away.
Things To Check
1. Look at whether the hair loss is on one leg or several, and whether it’s the same on both sides.
2. Check for scabs, redness, warmth, swelling, cracked skin or any discharge around the pasterns and heels.
3. Notice whether the problem seems worse after turnout in mud, deep bedding or wet grass.
4. See if the horse is lifting the legs, stamping, biting at them or seeming uncomfortable when you touch the area.
5. Check whether the skin is damp, greasy, flaky or dirty, as this can give clues about irritation or a skin issue.
6. Look at rugs, boots or brushing that could be rubbing the lower leg.
7. Make a note of any change in lameness, swelling or sensitivity, even if it seems mild at first.
Common Causes
Most often, winter hair loss around the pasterns comes from mud fever or simple skin irritation caused by prolonged wet, muddy conditions. The skin on the lower leg can become sore and the hair may loosen or break away.
Rubbing from boots, bandages or dirty turnout conditions can also cause patchy hair loss. Sometimes scurf, bacterial skin irritation or a superficial scrape can look similar, especially if the area stays damp.
Less commonly, mites, fungal skin problems or an underlying allergy may be involved. These are harder to confirm at home, especially if the skin is already sore or scabby.
What To Do
Keep the area as clean and dry as you reasonably can, and avoid over-washing or scrubbing the skin harshly. If the legs are muddy, remove dirt gently and dry them well afterwards.
Check turnout conditions and stable bedding, because prolonged dampness can keep the problem going. If possible, reduce exposure to deep mud and keep an eye on whether the horse is getting wetter after turnout than usual.
Use a calm, regular routine and monitor the skin closely for changes over the next few days. If the hair loss spreads, the skin looks more sore, or the horse becomes uncomfortable, it’s sensible to get professional advice.
When To Contact A Vet
Speak to your vet if the skin is swollen, very painful, cracked or oozing, if there’s lameness, or if the problem is not improving with sensible home care. You should also call if you’re unsure whether it’s mud fever, rubbing or something else that needs treatment.
Products That May Help
If your horse is dealing with muddy turnout or you’re trying to keep legs cleaner through winter, this collection may be useful as part of a sensible daily routine.
Related Questions
How can I tell if it’s mud fever or just dirty legs?
Should I wash my horse’s legs every day in winter?
When does pastern hair loss need a vet check?
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.