Why does my horse have one ear drooping or hanging lower than the other?
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Overview
If your horse has one ear drooping lower than the other, it can be something simple, like relaxation, a change in posture, or how they’re carrying their head. It can also happen with ear irritation, a minor injury, flies, pain elsewhere, or less commonly a nerve problem. The ear position on its own doesn’t tell you exactly why, so the best first step is to check for anything else that looks different.
Things To Check
1. Check whether the ear only droops at certain times, such as after turnout, after grooming, or when your horse is relaxed.
2. Look closely for redness, swelling, heat, scabs, broken skin or discharge around the ear and nearby face.
3. Notice whether your horse reacts when you touch the ear, halter area, poll or head, which might suggest soreness.
4. Check for flies, rubbing, head shaking, stamping or repeated ear flicking, especially in warmer weather.
5. Compare both ears for obvious differences in shape, stiffness, drooping, or how freely they move.
6. See whether your horse seems bright and normal in themselves, or whether there are other changes such as dullness, head tilt or imbalance.
7. Think about recent events such as clipping, grooming, tack use, transport, or a knock in the stable or field.
Common Causes
The most common reason is simply posture. Some horses rest one ear differently when they’re relaxed, listening, or standing unevenly.
Ear irritation is another common cause. Flies, a bit of dirt, skin sensitivity, or a small scratch can make a horse carry one ear differently or avoid moving it normally.
A minor bump, rub, or pressure from equipment can also cause temporary drooping if the ear or surrounding area is sore.
Less commonly, pain elsewhere in the head, neck or poll can change how a horse holds an ear. In rarer cases, a nerve issue or a more significant ear problem may be involved.
What To Do
Start by watching your horse quietly and checking whether the ear position changes with movement, rest or handling. Make a simple note of when it happens and whether it stays the same or comes and goes.
Keep the ear area clean and dry, and avoid poking inside the ear canal. If there’s visible dirt or loose debris on the outside, gentle grooming around the area is usually safer than trying to do too much.
If flies seem to be bothering your horse, improve your usual summer management and reduce exposure where you can. Also check tack, headcollars and grooming habits to make sure nothing is rubbing or pressing on the ear.
If the drooping ear is brief, your horse is otherwise normal, and there are no other signs, it may be something to monitor for a day or two. If it keeps happening, gets worse, or comes with pain, discharge, swelling or a head tilt, veterinary advice is sensible.
When To Contact A Vet
Speak to your vet if the drooping ear is persistent, your horse seems painful, there’s swelling, heat, discharge, a bad smell, a head tilt, loss of balance, or you suspect injury to the ear or head. Sudden changes after a knock or with other neurological signs should also be checked promptly.
Products That May Help
If the ear looks irritated, dirty or has a minor graze around it, a basic horse care collection can be useful for calm, routine cleaning and general first aid support.
Related Questions
Why is my horse shaking their head and one ear drooping?
Can flies make a horse hold one ear differently?
When should I worry about an ear problem in my horse?
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.