Problems and diagnosis
18 guides
Every guide follows the same honest format: what it looks like, the likely causes ranked, what to try, and when to call the vet. We flag the behavior problems that are really pain, because most of them are.
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17 of these 18 guides list at least one cause that is pain wearing a behavior label. The number beside each page is how many of its ranked causes are pain, and those are the ones to rule out first.
Under saddle
8 guides
What goes wrong once you are on board.
- Why does my horse buck?4 painBucking under saddle ranges from a small hump on the transition to a full explosive series that unseats the rider. It is dangerous, so it earns a careful diagnosis rather than a quick label. Most repeated bucking is not naughtiness. It is a horse trying to get away from pain in its back, hindquarters, or saddle, or reacting to something it cannot resolve any other way. The honest order is to rule out pain first, especially back and saddle pain, then look at how the horse is being ridden and managed. Bucking under saddle is listed by veterinary surgeons as a classic sign of back pain from kissing spines.6 causes ranked · 4 sources
- Why does my horse fall on the forehand?3 painA horse falls on the forehand when it carries too much weight over its front legs instead of stepping under and lifting through the back. It feels like the horse is pulling you down and forward, hard to turn and quick to rush downhill. Most of the time it is a training and balance gap, but a horse that suddenly starts leaning where it never did before is telling you something has changed, and pain is on the list.5 causes ranked · 2 sources
- Why does my horse rear?2 painRearing is the most dangerous thing a ridden horse does, because a horse that goes up and over can kill or seriously injure its rider. That danger is exactly why it deserves a real diagnosis rather than a quick discipline. Rearing is almost always a horse that feels trapped: caught between the rider's leg pushing forward and something, usually pain or fear, stopping it from going. Rule out mouth and back pain first, then look hard at how the horse is being asked to go forward. Never punish a rear with the reins, because pulling back on a horse that is already up is how horses come over backwards.5 causes ranked · 4 sources
- Why does my horse refuse jumps?3 painA horse that stops, runs out, or rushes at fences is telling you something, and the usual first guess, that it has turned dishonest, is usually the wrong one. Jumping asks the back, hocks, stifles, and feet to load and push harder than any flat work, so pain shows up here before it shows up anywhere else. Veterinary surgeons list refusing and rushing fences among the signs of back pain from kissing spines. Before you reach for a stronger bit or more leg, rule out pain, then check the saddle, the rider, and how the horse is being presented. A horse that refuses is often a horse that hurts or does not trust the question.6 causes ranked · 4 sources
- Why does my horse spook?2 painSpooking is a horse doing what a prey animal is built to do: react first and think later. A shy, a jump sideways, or a bolt away from a sudden sight or sound is usually normal wiring rather than a fault. The question worth asking is whether a spooky horse is simply reactive or whether something is making it worse. Horses see the world very differently from us, with wide vision, weak depth perception, and blind spots, so a lot of spooking is honest confusion about what it is looking at. But a horse that has become newly or unusually spooky can be in pain or losing its sight, and that is what a good diagnosis rules out.5 causes ranked · 2 sources
- Why does my horse toss its head?4 painHead tossing covers everything from a horse rooting against the contact to a violent, uncontrollable flick of the nose that makes the horse dangerous to ride. It is almost never bad manners. The head is where bit, teeth, bridle, and the trigeminal nerve all meet, so a tossing head is usually a horse trying to escape something physical. Dental pain and bit pressure are common and fixable causes. A smaller number of horses have trigeminal-mediated headshaking, a genuine nerve-pain condition that affects around 1 percent of horses severely enough to need veterinary help. Rule out mouth, bit, and nerve causes before you touch the training.5 causes ranked · 4 sources
- Why is my horse cold-backed?4 painA cold-backed horse tenses, dips away, or humps up when the saddle goes on or when you first mount, then usually loosens once it warms up. The name makes it sound like a quirk of temperament. It is almost always a pain response. A cold-backed horse is reacting to discomfort in its back or stomach at the moment the saddle and your weight load it, from a poor-fitting saddle, muscle or spinal soreness, or gastric ulcers. Because the reaction can escalate to bucking or going down, it is worth taking seriously and investigating, not riding through.5 causes ranked · 3 sources
- Why won't my horse pick up the correct canter lead?4 painA horse that keeps striking off on the wrong lead, or picks up one lead easily but fights the other, is usually telling you something physical. The correct lead asks a specific hindleg to push and carry more weight, so a horse will avoid the lead that loads a painful hock, stifle, or back. One-sided lead trouble is a classic early sign of hindlimb pain, and hock arthritis and stifle problems both show up first as difficulty holding or picking up a lead. Rule out pain and check the saddle before you assume it is a hole in the horse's training or a rider error, though those can play a part once the body is clear.6 causes ranked · 4 sources
Groundwork
4 guides
Handling, catching, loading, and the mounting block.
- Why is my horse girthy?3 painA girthy horse reacts badly when the girth is tightened: pinning its ears, swishing its tail, snapping, or moving away. It is one of the most commonly dismissed problems in the yard, written off as a bad attitude. It is very often the opposite. Girthiness is one of the clearest early signals of gastric ulcers, and it can also mean saddle-fit pressure or skin pain. Treating it as a manners problem when it is a pain problem is how owners miss ulcers for months.5 causes ranked · 3 sources
- Why is my horse hard to catch?1 painA horse that walks off, turns its quarters, or trots away when you come with a headcollar has a reason for avoiding it. Most often, being caught predicts something the horse would rather skip: hard work, discomfort, or the end of turnout. Sometimes it is pain, a sore back or badly fitting tack that makes ridden work unpleasant, so the horse dodges the whole chain that starts at the gate. Occasionally it is a horse that was chased, cornered, or grabbed and now expects rough handling. The fix is to make being caught worth the horse's while and to rule out the pain that can sit behind it.5 causes ranked · 3 sources
- Why won't my horse load in the trailer?1 painA horse that plants, backs up, or throws its head at the ramp is not being difficult for the sake of it. A trailer is a dark, enclosed, wobbly box that asks a flight animal to walk into a space it cannot see out of and cannot easily escape. Most loading problems are fear, often made worse by a bad past journey, a rushed handler, or a scary loading setup. Sometimes discomfort plays a part: a horse that hurts when the trailer moves learns to resist getting on. The reliable fix is calm, patient training that makes loading safe and rewarding, not force.5 causes ranked · 3 sources
- Why won't my horse stand still to be mounted?4 painA horse that swings its quarters away, walks off, or fidgets at the mounting block is usually telling you something, not testing you. The moment you put a foot in the stirrup and swing up, the girth tightens, the saddle drops onto the back, and your weight lands on the spine. If any of that hurts, moving off is the horse avoiding the pain. Back pain, poor saddle fit, and gastric ulcers are the common culprits, and all of them show up right at mounting. It can also be a genuine training gap, but that is the answer you reach after pain is ruled out, not before.5 causes ranked · 3 sources
Stable behavior
2 guides
The repetitive habits that start in the stable.
- Why does my horse crib?1 painA cribbing horse grabs a solid edge with its top teeth, arches its neck, and sucks in air with a grunt. It is a stereotypy, a repetitive behavior that develops when a horse cannot meet its basic need to forage and move. Cribbing is not a horse being naughty or copying its neighbor, and it is strongly tied to how the horse is fed and kept. It also links to gut discomfort: young horses with gastric ulcers are more likely to crib, and treating the ulcers often cuts the cribbing down. The behavior is a signal that the horse's routine or its stomach needs attention, not a habit to punish out of it.5 causes ranked · 3 sources
- Why does my horse weave?A weaving horse rocks its head, neck, and forehand from side to side, usually at the stable door, shifting weight from one front leg to the other. It is a stereotypy, a repetitive behavior that shows up when a horse is confined and cannot move, graze, or socialize as it needs to. Weaving peaks around feeding time and just before turnout, when the horse is anticipating and frustrated. It is not stubbornness or a bad habit picked up from a neighbor. Anti-weave bars stop the visible motion but not the cause, and can add to the frustration underneath.5 causes ranked · 3 sources
Health
4 guides
Signs that are medical first.
- Early signs of laminitis in horses6 painLaminitis is damage to the laminae that hold the coffin bone to the hoof wall, and the AAEP tells owners to treat a suspected case as a medical emergency and call the vet immediately. The early signs are subtle and easy to explain away: lameness that is worst turning in a circle, shifting weight from foot to foot while standing, heat in the feet, an increased digital pulse, and a reluctant gait as if the horse is walking on eggshells. The classic sawhorse stance, front feet stretched forward and hind feet camped out behind, is a late sign, not a first one. Merck names endocrine dysfunction, which covers equine metabolic syndrome and PPID, as probably the most common underlying cause of laminitis in horses today, so the trigger is usually inside the horse rather than in the foot.6 causes ranked · 4 sources
- First signs of Cushing's disease (PPID) in horses5 painCushing's disease in horses is pituitary pars intermedia dysfunction, or PPID, and the sign everyone knows, a long curly coat that will not shed, is a late one. The University of Illinois College of Veterinary Medicine describes hypertrichosis, poor coat, muscle atrophy, weight loss, susceptibility to infections and lethargy as the presenting picture, and says PPID commonly affects horses and ponies aged 15 and older. Merck puts the typical age for the non-shedding coat at 18 and over, and lists polyuria and polydipsia, poor muscle tone, weakness, somnolence, abnormal fat distribution, swelling above the eye, repeated infections and generalized sweating alongside it. The earlier signs are quieter: a horse that loses topline over a winter, drinks and urinates more, picks up hoof abscesses, or shakes off a clipped coat later each spring. Diagnosis is a blood test for ACTH, and treatment is daily oral pergolide for life.5 causes ranked · 5 sources
- Why is my horse coughing?6 painA cough in a horse splits two ways: infection, or the airway reacting to what the horse breathes. Merck describes equine asthma as a chronic, allergen-mediated inflammatory disease of the lower airways covering inflammatory airway disease, recurrent airway obstruction and summer pasture RAO, and puts allergen-induced lower airway inflammation in around 17 percent of mature horses in northern temperate regions, with up to 80 percent of athletic horses affected by mild to moderate asthma at some point in their careers. The University of Florida names mold, organic dust and endotoxin in hay and straw as the most common triggers and says the most important treatment is environmental and dietary management. The other branch is infectious, and that one is about fever and biosecurity: with strangles, Merck puts the incubation period at 3 to 14 days and says the first sign of infection is a fever of 103 to 106 degrees Fahrenheit. Take a temperature before you do anything else.6 causes ranked · 4 sources
- Why is my horse losing weight?5 painA horse that is dropping weight on the same ration is telling you that something has changed in how it takes food in, holds it down, or uses it. The usual short list is teeth, parasites, ulcers, endocrine disease, and simply not being fed enough forage. The University of Florida lists weight loss among the signs of dental problems and describes inefficient digestion and weight loss despite adequate nutrition. Merck gives mild weight loss and poor body condition as adult signs of equine gastric ulcer syndrome, with prevalence of at least 90 percent in racehorses in active training and 40 to 60 percent in nonracing performance disciplines. The University of Illinois lists weight loss and muscle atrophy among the signs of PPID. None of these can be separated by looking at the horse, so weight loss with no obvious cause is a vet visit, not a feed change.7 causes ranked · 7 sources