A capped elbow, also called a shoe boil, is swelling on the point of the elbow that usually starts from repeated pressure when your horse lies down. The calm win is removing the cause, protecting the area, and staying consistent.
If the elbow is hot, painful, rapidly enlarging, draining, or your horse is lame, call your veterinarian. If the swelling is cool and your horse is comfortable, focus on cause removal and protection first, then support comfort with a thin layer of Draw It Out® liniment gel on intact skin. Recheck morning and night.
If the elbow swelling is paired with a horse that seems generally weak, dull, off feed, or not themselves, use this decision guide for quick checks and clear vet red flags: horse weakness home care vs vet.
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This condition keeps returning if heel or shoe contact keeps happening when your horse lies down.
Soft protection and bedding reduce repeated trauma, which is what turns a small bump into a stubborn one.
Once the cause is addressed, consistent calm support helps your horse stay willing while you monitor change.
Keep the horse quiet and call your veterinarian. Do not try to drain it yourself.
Capped elbow is a fluid filled swelling over the bursa at the point of the elbow. Many barns call it a shoe boil because it often starts from repeated contact with the shoe or heel when the horse lies down.
If the pressure source stays, the bursa keeps getting irritated. Product alone does not fix a pressure problem. Cause removal is the win.
| More likely routine | Escalate to your veterinarian |
|---|---|
| Cool swelling, not very tender | Hot, painful, or rapidly enlarging |
| Horse moves normally | Lameness, short stride, reluctance to bear weight |
| Skin intact | Wound, puncture, scab that looks angry, or drainage |
| Stable size over a day | Fast change over hours or swelling spreading |
The goal is simple: stop the repeated hit that created the swelling.
If the skin is open or draining, do not apply topical products over the wound unless your veterinarian directs it.
If you want the fastest routine match, use the Solution Finder. If you want fewer repeat issues, build a Prehabilitation plan that supports movement quality and resilience.
Not a drug. Not intended to diagnose, treat, cure, or prevent disease. Always consult your veterinarian and farrier for diagnosis and care decisions.
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