Laminitis in Senior Horses
A guide to laminitis and founder in older horses: causes including PPID and EMS, warning signs, why it is an emergency, hoof support, and prevention strategies.
Laminitis is one of the most feared words in the horse world, and for good reason. It is painful, it can move fast, and in severe cases it threatens a horse's soundness and even its life. For owners of senior horses, it carries an extra layer of importance, because in older horses laminitis is most often a signal of an underlying hormonal problem like PPID or equine metabolic syndrome.
Understanding laminitis, recognizing it early, and acting like every case is an emergency are among the most valuable skills you can develop as the caretaker of an aging horse. This guide walks through what laminitis is, why senior horses are vulnerable, how to spot it, what to do in the moment, and how to prevent it. It is educational and meant to support, not replace, the hands-on care of your veterinarian and farrier.
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Professional's Choice Cold Therapy Hoof Wraps
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Neoprene ice boots for cooling feet during a laminitis flare
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Equine Veterinary Essentials MetaboBalance Metabolic Support
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Targets the insulin and PPID drivers behind endocrine laminitis
These products support a laminitic horse but never replace veterinary care. Laminitis is an emergency, and the products here are for use under a veterinary and farrier plan, not as a substitute for that plan.
What Laminitis Actually Is
Inside the hoof, the laminae are interlocking, leaf-like tissues that bond the inner hoof wall to the coffin bone, the bone that sits within the hoof capsule. They suspend the bone in place and bear enormous load with every step. In laminitis, these tissues become inflamed and damaged. As the bond fails, the coffin bone can rotate downward or sink within the hoof, the severe stage many people call founder. The pain comes from this mechanical failure and inflammation in a tightly enclosed space.
Why Senior Horses Are at Risk
While any horse can founder, older horses face a particular danger: endocrine laminitis driven by high insulin. Both PPID and equine metabolic syndrome raise insulin, and persistently high insulin damages the laminae directly, sometimes without the obvious trigger of a grain binge. This is why veterinarians treat unexplained laminitis in a senior horse as a strong reason to test for these hormonal conditions.
Other Causes
- Carbohydrate overload from breaking into the grain bin or gorging on rich spring grass
- Severe illness or infection, such as colitis or a retained placenta, that releases inflammatory toxins
- Supporting-limb overload, when an injury to one leg forces the opposite foot to bear excess weight
- Concussion from hard, repeated work on firm ground
Spotting Laminitis Early
The earlier you catch laminitis, the better the outcome. Watch for these signs, especially in the front feet, which are most often affected.
- Reluctance to walk, or a stiff, careful, pottery gait
- Shifting weight repeatedly from one foot to another
- Lying down more than usual to take pressure off the feet
- The classic founder stance, rocked back on the heels with hind legs tucked under
- Heat in the hooves and a strong, bounding digital pulse at the back of the pastern
- Pain when hoof testers press the sole, found by your vet or farrier
What to Do Right Now
Treat laminitis as the emergency it is. The first hours shape the outcome.
- Call your veterinarian immediately. Do not wait to see if it passes.
- Stop all grain and remove the horse from pasture. Offer only hay your vet approves.
- Move the horse to soft footing. A deeply bedded stall, sand, or pea gravel supports the foot and reduces pain.
- Limit movement. Keep the horse still rather than walking it around, which can worsen laminae damage.
- Provide hoof support as directed. Your vet may recommend boots with pads or temporary frog support.
| Situation | Right Action |
|---|---|
| Suspected active laminitis | Call the vet now; soft footing; no grain or grass |
| Recurring foot soreness | Test for PPID and insulin; review diet |
| Known EMS or PPID horse | Strict low-sugar diet; limit grazing; frequent hoof care |
| Recovery phase | Controlled rest; farrier trimming plan; gradual return |
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Recovery and Long-Term Hoof Care
Recovery depends on severity, speed of treatment, and how well the underlying cause is controlled. Mild cases may heal with little lasting change. Cases with coffin bone rotation need months of patient farrier work, corrective trimming or shoeing, controlled exercise, and ongoing management. Throughout, your farrier and veterinarian work as a team to rebalance the foot, support the bone, and encourage healthy hoof regrowth. Supplements with biotin and amino acids can support that regrowth, but they work over many months and do not replace proper trimming.
Preventing the Next Episode
Most endocrine laminitis is preventable with good management. Test senior horses for PPID and insulin dysregulation, treat PPID with pergolide, and feed a low-sugar, low-starch diet built on tested forage. Limit rich pasture with a grazing muzzle or dry lot, particularly in the danger seasons of spring and autumn, keep your horse at a healthy weight, and stick to a regular farrier schedule. Guard the grain room, introduce any feed changes slowly, and act at the very first hint of foot soreness. A laminitis history is a lifelong reason for vigilance, but with steady management many horses never founder again.
Related Senior Horse Health Guides
- PPID (Cushing's) in Senior Horses - A leading cause of laminitis in older horses.
- Equine Metabolic Syndrome (EMS) - The insulin disorder behind much endocrine laminitis.
- Common Health Problems in Senior Horses - An overview of aging-horse conditions.
Frequently Asked Questions
What is laminitis in horses?
Laminitis is inflammation and failure of the laminae, the interlocking tissues that bond the hoof wall to the coffin bone inside the foot. When these tissues are damaged, the bond weakens and the coffin bone can rotate or sink, a severe stage often called founder. It is intensely painful and can become an emergency within hours. In senior horses, laminitis is most often driven by hormonal causes such as PPID and insulin dysregulation rather than by grain overload alone.
What causes laminitis in older horses?
The leading cause in senior horses is endocrine, meaning high insulin from EMS, PPID, or both. Other triggers include grain or rich pasture overload, severe illness or infection such as retained placenta or colitis, supporting-limb overload when one leg is injured, and concussion on hard ground. Because hormonal causes dominate in older horses, any episode of laminitis in a senior should prompt testing for PPID and insulin dysregulation so the underlying driver can be addressed.
What are the signs of laminitis?
Signs include reluctance to move, a stiff or pottery walk, shifting weight from foot to foot, lying down more than usual, and a classic rocked-back stance with the hind legs tucked under to take weight off the front feet. You may feel heat in the hooves and a strong, bounding digital pulse at the back of the pastern. The front feet are most often affected. Any of these signs warrants an immediate call to your veterinarian.
Is laminitis an emergency?
Yes. Laminitis is a genuine emergency, and the first hours matter enormously for the outcome. Damage to the laminae can progress rapidly, so do not wait to see if the horse improves. Call your veterinarian immediately, move the horse to a deeply bedded stall on soft footing, stop all grain and pasture, and follow your vet's instructions. Prompt treatment and hoof support greatly improve the chances of recovery and reduce the risk of permanent coffin bone rotation.
Can a horse recover from laminitis?
Many horses recover from laminitis, especially when it is caught early and the underlying cause is controlled. Mild cases may heal with little lasting damage. More severe cases with coffin bone rotation need months of careful farrier work, controlled rest, and management, and some horses are left with chronic changes. The key factors are speed of treatment, correcting the cause such as high insulin, and skilled, consistent hoof care from your farrier and vet.
How do I prevent laminitis in my senior horse?
Prevention centers on controlling the endocrine causes. Test senior horses for PPID and insulin dysregulation, treat PPID with pergolide, and feed a low-sugar, low-starch diet on tested forage. Limit lush pasture with a grazing muzzle or dry lot, especially in spring and autumn, keep horses at a healthy weight, and maintain regular farrier visits. Avoid sudden access to grain or rich grass. Early detection and steady management prevent most endocrine laminitis.
Should a laminitic horse be on soft or hard ground?
A horse with active laminitis should be on soft, supportive footing such as deep shavings, sand, or pea gravel that conforms to the foot and supports the frog and sole. Hard ground increases pain and stress on the damaged laminae. Many vets also recommend hoof boots with pads or temporary frog support to share the load off the painful hoof wall. Always follow the specific support plan your veterinarian and farrier set for the individual horse.
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