Why has my horse’s skin gone red after washing?

Read time: 3 minutes

Overview

If your horse’s skin has gone red after washing, it’s often a sign of mild irritation rather than something serious. Common causes include shampoo left on the coat, a product that doesn’t suit sensitive skin, rubbing during washing or drying, or skin that was already a bit inflamed before you started.

It’s sensible to check the skin closely and stop using the same wash until you know what may have caused it. If the redness is spreading, very sore, or not settling, your vet may need to take a look.

Things To Check

1. Check where the redness is showing. Is it in one patch, along the body, under the saddle area, or around the legs and belly?

2. Look for other signs such as heat, swelling, broken skin, scabs, spots, dandruff, or dampness that is not drying properly.

3. Think about the shampoo you used. Was it a new product, very strongly scented, left on for a while, or used in a higher amount than usual?

4. Check whether the coat was rinsed thoroughly. Leftover shampoo can sometimes irritate the skin and make it look red.

5. Consider whether the skin may have been rubbed by sponges, brushes, rugs, or towels during or after washing.

6. Note whether your horse has a history of sensitive skin, dandruff, itchiness, rain scald, sweet itch, or reactions after grooming.

7. See whether the redness improves once the coat is fully dry, or whether it stays red, becomes sore, or starts to spread.

Common Causes

The most common reason is simple skin irritation from shampoo, especially if the coat was not rinsed well enough or the product was too harsh for that horse.

Rubbing during washing or drying can also make the skin look red, particularly on thinner areas such as the belly, inside the legs, face, or behind the elbows.

Some horses just have more sensitive skin than others, so even an otherwise suitable wash may leave them looking pink or patchy for a short time.

Less commonly, the redness may be linked to an underlying skin issue that was already there, such as inflammation, scurf, or a reaction to something in the environment rather than the wash itself.

What To Do

Stop using the same shampoo for now and keep things simple. If the skin is only mildly red, let it dry naturally or dry it gently, then recheck it later the same day.

If there is any residue on the coat, rinse it thoroughly with clean lukewarm water. Avoid scrubbing the area more, as that can make irritation worse.

Keep an eye on the area over the next 24 to 48 hours. If the redness fades and your horse seems comfortable, it was likely a short-lived irritation. If it returns each time you wash, note the product used and how it was applied so you can look for a better match next time.

For horses with recurring sensitivity, it often helps to keep washing routines short, use lukewarm water, and choose grooming methods that are gentle on the skin and easy to rinse away.

Products That May Help

If your horse has sensitive skin or you want a gentler routine, a suitable wash collection can be useful as part of regular coat care and grooming.

Shampoos & Washes

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