Horse Feed Coming Out of the Nose: Choke Signs & Emergency Care

The most common cause is choke, also called esophageal obstruction. In horses, this means feed, hay, pellets, or another material gets stuck in the esophagus. Because the horse cannot swallow normally, saliva, water, and feed pool in the throat and then spill back out through the nostrils. Horses with choke may drool, cough, retch, repeatedly try to swallow, or stand with the neck stretched out.

Some horses are more likely to choke because of poor chewing or dental disease. Sharp enamel points, missing teeth, painful mouths, or inadequate chewing can leave larger feed particles that are harder to swallow. Dry beet pulp, pellets, cubes, or grain eaten too fast can also contribute, especially if a horse bolts meals or is fed after a period of fasting.

Less common causes include esophageal narrowing or scarring, an esophageal diverticulum, external compression, or swallowing problems linked to neurologic or muscle disease. In foals, congenital problems such as a cleft palate can also cause milk or feed to come from the nose. If this has happened more than once, your vet may recommend a fuller workup to look for an underlying reason rather than treating it as a one-time event.

Not every nasal discharge is choke, but feed material or frothy saliva from the nose is always concerning. Respiratory infections can cause nasal discharge, yet they do not usually cause obvious feed particles from both nostrils during eating. When feed is involved, assume an emergency until your vet says otherwise.

See your vet immediately if your horse has feed, green material, or frothy saliva coming from the nostrils, especially with coughing, repeated swallowing, distress, or refusal to eat. Choke is an emergency because horses can inhale feed and fluid into the lungs, leading to aspiration pneumonia. The longer the blockage stays in place, the more irritation and swelling can develop in the esophagus.

While you wait for your vet, remove all feed and water, keep your horse as calm as possible, and avoid walking the horse excessively unless your vet directs you to do so. If your horse wants to keep the head low, let that happen. A lowered head may help drainage and may reduce the amount of material inhaled. Do not offer oil, mash, water by syringe, or oral medications unless your vet specifically instructs you.

There is very little true “watch and wait” time for this symptom. A mild episode can occasionally clear on its own, but you should still involve your vet because the horse may look better while irritation, residual obstruction, or aspiration risk remains. If signs stop before your vet arrives, let your vet know exactly what happened and ask whether an exam is still needed.

After any choke episode, monitor closely for fever, cough, fast breathing, nasal discharge, dullness, or reduced appetite over the next several days. Those can be early signs of aspiration pneumonia and need prompt follow-up.

Your vet will start with a physical exam and history, including what your horse was eating, how long signs have been present, and whether this has happened before. They will listen to the lungs, check hydration, and look for signs of aspiration. Sedation is commonly used because it helps keep the horse calm and may relax the esophagus enough for some obstructions to pass.

If the blockage does not clear quickly, your vet may pass a nasogastric tube and carefully lavage the esophagus with small amounts of fluid. The goal is to soften and break up the obstruction without forcing material into the stomach or lungs. In more difficult cases, your vet may recommend endoscopy to see where the blockage is, assess esophageal damage, and guide treatment.

Your vet may also discuss treatment for complications. That can include anti-inflammatory medication, IV fluids, and monitoring for aspiration pneumonia. If pneumonia is suspected, your vet may recommend bloodwork, ultrasound, chest imaging, or antibiotics based on exam findings. Recurrent cases may need a dental exam or additional testing for esophageal disease.

Most uncomplicated choke cases have a good outlook with prompt care. More guarded cases involve prolonged obstruction, severe esophageal injury, recurrent choke, or pneumonia. Your vet may recommend a soft-feed plan and careful recheck instructions for days to weeks after the episode.

Home care starts with following your vet’s feeding plan exactly. Many horses need a short period off feed, followed by soaked pellets, a gruel, or another soft ration for several days while the esophagus settles. Do not restart dry hay, cubes, or grain early unless your vet says it is safe.

Check your horse’s temperature at least once or twice daily for the next few days, and watch for cough, nasal discharge, fast breathing, dullness, or reduced appetite. These can be early clues that aspiration pneumonia is developing after the original choke seems resolved. Call your vet promptly if any of these signs appear.

Longer term, prevention matters. Ask your vet whether your horse needs a dental exam, slower feeding setup, more water access, soaked feed, smaller meals, or changes in hay and concentrate type. Horses that have choked once can be at higher risk for another episode during the next few weeks while the esophagus heals.

Do not give leftover medications or home remedies without veterinary guidance. The safest plan is the one tailored to your horse’s exam findings, age, diet, and any complications your vet identified.