The Farmer's Dog

Acid Reflux in Dogs — Vague Symptoms, Real Problem

The symptoms are nonspecific, so it’s important to pay attention to all the changes in your dog.

By: Oliver Ruhm
Acid reflux can be very uncomfortable for your dog. By: Oliver Ruhm

Anyone who has ever suffered from heartburn understands something of the discomfort of acid reflux.

In this condition, stomach acid passes in the wrong way out of the stomach and up into the esophagus (gullet), where it burns the lining, causing pain and discomfort.

Symptoms of Acid Reflux in Dogs

The signs of acid reflux are vague and non-specific, and include things such as poor appetite, restlessness, gulping a lot and perhaps vomiting.


 

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If the problem goes on for long enough, your dog may lose weight because of his reduced eating.

Rather like assembling a jigsaw puzzle, no 1 symptom is conclusive that a pet has acid reflux. It is a case of piecing the clues together to see the bigger picture.

What Causes Acid Reflux?

Acid reflux happens when the valve at the entrance to the stomach, the gastro-esophageal sphincter, relaxes and acid passes in the wrong direction up into the gullet, or esophagus.

The lining of the esophagus is not designed to cope with caustic acids that burn through the lining, causing inflammation and perhaps even ulceration.

If a dog vomits frequently, the passage of stomach acid going the wrong way can set up the inflammation in the gullet associated with acid reflux. Other reasons include hiatus hernia, where the stomach is positioned farther forward than is usual and puts pressure on the gastric valve.

Likewise, being overweight puts pressure on the stomach and acts like a pair of hands squeezing the stomach and milking acid out. I knew a dog who developed the problem after swallowing a hot potato, which damaged the gastro-esophageal sphincter so that it no longer closed properly.

And finally, when a dog is deeply asleep under general anesthetic, the gastric valve also relaxes. Unless the patient is positioned correctly, acid can leak into the gullet under gravity and set up the symptoms of acid reflux.

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Diagnosis

Endoscopy is the best method of establishing a definitive diagnosis. This involves a light general anesthetic and passing an endoscope (a fiberoptic camera) down the patient’s gullet.

An animal suffering from acid reflux has a characteristic reddening and ulceration of the esophageal lining. The vet will also use the opportunity to check the stomach lining to make sure there are no other problems such as a foreign body blocking the gastric valve.

If the signs start immediately after a general anesthetic, there is enough suspicion to warrant treating the patient first before investigating more fully. The good news is that these cases usually improve quickly and can be diagnosed by response to treatment.

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If you have ever wondered what an endoscopy for a dog looks like, here’s a video that shows it being performed:

Treatment of Acid Reflux

In mild cases of acid reflux, sometimes all that is needed is to not feed the dog for 1 or 2 days. This allows the stomach and esophagus to rest and repair itself.

Depending on the severity of the symptoms, treatment is required. This takes 2 forms:

  1. Correcting any underlying health issue
  2. And reversing the damage to the esophageal lining

Excellent medicines are available that bind to inflamed tissue to form a soothing bandage layer. Also, anti-acid medications help neutralize stomach acid and limit the damage done by further reflux because of vomiting.

For those dogs who vomit frequently, an investigation to identify and correct the cause is the best course of action. Finally, for overweight dogs whose stomach is pushed forward by fat, weight loss is crucial.

How to Prevent Acid Reflux

Many dogs are prone to vomiting after eating. To help his food stay down, try feeding from a bowl above the dog’s shoulder height. In this position, gravity helps the food slip down into the stomach and stay there.

Reference

  • Small Animal Internal Medicine. Nelson & Couto. Publisher: Mosby. 3rd edition.

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This pet health content was written by a veterinarian.

Dr. Pippa Elliott, BVMS, MRCVS

View posts by Dr. Pippa Elliott, BVMS, MRCVS
Dr. Pippa Elliott, BVMS, MRCVS, is a veterinarian with nearly 30 years of experience in companion animal practice. Dr. Elliott earned her Bachelor of Veterinary Medicine and Surgery from the University of Glasgow. She was also designated a Member of the Royal College of Veterinary Surgeons. Married with 2 grown-up kids, Dr. Elliott has a naughty puggle called Poggle, 3 cats and a bearded dragon.

Don’t Miss: See why Dave from Petful thinks The Farmer’s Dog is the best new dog food in the U.S. for a happier, healthier dog: Here is his review. For cats and multi-pet households, Dave’s top pick is NomNomNow. See why here.

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