What does thick, greasy scaling on a horse’s heels mean?

Read time: 3 minutes

Overview

Thick, greasy scaling on a horse’s heels can be a sign of mallenders or sallenders, which are skin changes in the feathered or hairy parts of the legs. It can also happen with simple skin irritation, mud, sweat, grime or an underlying skin condition, so it’s worth checking closely rather than assuming it’s just dirt.

If it’s mild, you may be able to keep an eye on it and improve routine hygiene. If the skin is sore, cracked, swollen or spreading, it’s sensible to get veterinary advice.

Things To Check

1. Check whether the scaling is on the back of the front legs or the back of the hind legs, and whether it’s under feathers or in a hairier area.

2. Look for redness, tenderness, scabs, cracking, hair loss or any oozing from the skin.

3. Feel whether the area is warm or swollen compared with the rest of the leg.

4. Notice whether your horse reacts when the heels are touched, picked at or brushed.

5. Check whether the problem is worse after wet turnout, muddy fields, sweating or clipping.

6. Think about any recent changes in bedding, turnout, grooming routine or washing products.

7. Look at the rest of the body too, especially if there are similar scabs, dandruff, itching or skin thickening elsewhere.

Common Causes

Mallenders and sallenders are a common reason for thick scaling at the heels. These are typically linked to changes in the skin and hair follicles in those areas, and they can look greasy, crusty or flaky.

Another common cause is simple skin irritation from mud, moisture, sweat or dirt build-up, especially if the legs stay damp for long periods. Repeated rubbing, feathering or clipping can also make the skin more reactive.

Less commonly, the pattern may be connected with infection, mites, or another skin condition that needs a closer look. If the area is worsening or not settling with gentle care, it’s best to have it checked.

What To Do

Start by keeping the area clean and dry without over-washing it. Gentle grooming can help lift loose scale, but avoid picking hard at scabs or scrubbing the skin, as that can make the irritation worse.

If your horse is in wet or muddy conditions, try to reduce prolonged dampness where you can. Make sure the legs are dried properly after washing or exercise, and keep an eye on whether the problem changes with turnout or bedding.

Photograph the area every few days so you can see if it’s improving, stable or spreading. If it’s recurring, think about any pattern with weather, work, clipping or turnout that might be contributing.

Products That May Help

A gentle washing and coat-care routine may help support the management of greasy scaling and make it easier to keep the area clean without being too harsh on the skin.

Shampoos & Washes

Item added to your cart