Why does my horse have crusty skin from itching? | arlo.® Atlas
Share This Guide
Read time: 3 minutes
Overview
Crusty skin after itching usually means the skin has been irritated for a while. It can happen with insect bites, sweat, mud, grooming friction, allergies or other skin irritation. The crusts are often from scabs, dried skin or broken skin where your horse has rubbed.
Things To Check
1. Check exactly where the crusts are, such as the mane, tail, face, belly, girth area, legs or under the rug.
2. Look for signs of rubbing, including broken hair, scabs, redness, swelling or raw patches.
3. Note whether the itching is worse after turnout, in warm weather, after exercise or when the horse is in at night.
4. Check for flies, midges, wet bedding, muddy areas or anything that might be irritating the skin.
5. Look at whether the coat or skin feels greasy, flaky, dusty or sweaty in the affected area.
6. Think about any recent changes in rugging, tack, grooming products, feed, bedding or turnout routine.
7. Check whether any other horses nearby have similar skin or itching issues.
Common Causes
In horses, crusty skin from itching is commonly linked to insect irritation, especially in fly season or where midges are active. Rubbing from rugs, tack, mane bands or stable fixtures can also cause scabs and crusting.
Other common reasons include sweat and dirt build-up, skin sensitivity, mild dermatitis, or a reaction to bedding, grooming products or wash products. Less commonly, skin infections, lice or mites can be involved, especially if the itching is persistent or spreading.
What To Do
Start by keeping the area clean and dry, and avoid anything that seems to make the itching worse. If the skin is muddy, sweaty or sticky, gentle washing and careful drying may help, but don’t over-wash irritated skin.
Reduce possible triggers where you can. That might mean checking fit of rugs and tack, improving fly control, changing bedding if it seems dusty, and keeping an eye on when the itching happens most often.
Try to stop further rubbing as much as possible, because repeated scratching can make crusts worse and delay healing. If the area is sore, spreading, very itchy or not improving, it’s sensible to get veterinary advice.
Products That May Help
A gentle wash and coat-care routine may help support day-to-day management if the skin is dirty, sweaty or prone to irritation.
Related Questions
Is crusty skin on my horse always caused by flies?
Should I wash itchy crusty skin or leave it alone?
When does itching 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.