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SESK: Stuff Everyone Should Know · sesk.info/horse-choke-sign

What is the classic sign of choke in a horse?

Food and saliva coming back out through the nostrils.

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  1. Food coming out of the nostrils ✔
  2. A very high-pitched whinny
  3. Sudden hoof heat

Why: Choke is a blockage of the esophagus, the tube from mouth to stomach, by food or objects. The classic sign is regurgitation of food through the nostrils. Call your vet right away.

Huh, didn't know that: Merck says choke is most common when a horse quickly eats dried grain, beet pulp or hay.

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Knock, knock. Who's there? Neigh. Neigh who? Neighbor Steve, can I borrow some sugar cubes?
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References

Answer: Food coming out of the nostrils. Choke is a blockage of the esophagus, the tube from mouth to stomach, by food or objects. The classic sign is regurgitation of food through the nostrils. Call your vet right away.

  1. Disorders of the Esophagus in Horses (Merck Veterinary Manual) www.merckvetmanual.com/horse-owners/digestive-disorders-of-horses/disorders-of-the-esophagus-in-horses
    The classic sign associated with choke is regurgitation of food through the nostrils.
    Checked 2026-10-10.
  2. Disorders of the Esophagus in Horses (Merck Veterinary Manual) www.merckvetmanual.com/horse-owners/digestive-disorders-of-horses/disorders-of-the-esophagus-in-horses
    Obstruction is most common when a horse quickly eats dried grain, beet pulp, or hay.
    Checked 2026-10-10.

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