Can Dog Food Cause Diarrhea in Dogs and What You Need to Know

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Posted Oct 8, 2024

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Diarrhea in dogs can be a real nightmare for pet owners.

One of the most common causes of diarrhea in dogs is their food. According to research, certain ingredients in dog food can trigger digestive issues.

Some dog foods contain fillers and by-products that can be difficult for dogs to digest. This can lead to diarrhea, vomiting, and other gastrointestinal problems.

Dogs with sensitive stomachs may be more prone to diarrhea due to their food. A study found that dogs with sensitive stomachs are more likely to experience diarrhea when fed a new food.

Causes and Symptoms

Dog diarrhea can be caused by many issues, including eating trash or foods meant for people, toxin ingestion, and foreign body ingestion. Some dogs tend to eat foreign objects, such as rocks and socks, which can lead to diarrhea.

Eating spoiled or garbage food is a common reason for diarrhea in dogs, and can also be caused by a change in diet or treats. Ingesting toxins or poisons, such as chocolate or certain essential oils, can also cause upset stomach in dogs, including diarrhea.

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Here are some common causes of diarrhea in dogs:

  • Dietary indiscretion—Eating trash or foods meant for people can cause a dog to develop diarrhea.
  • Toxin ingestion—Pet toxins, such as chocolate, alcohol, and certain essential oils, can cause upset stomach in dogs, including diarrhea.
  • Foreign body ingestion—Some dogs tend to eat foreign objects, such as rocks and socks, which can lead to diarrhea.
  • Switching foods—Suddenly changing your dog’s food can cause GI upset.
  • Internal parasites—Internal parasites, such as giardia, coccidia, hookworms, roundworms, or whipworms, can cause diarrhea.

In some cases, diarrhea can be a symptom of a more serious underlying condition, such as liver or kidney disease, or intestinal cancer. If your dog's diarrhea persists or is accompanied by other symptoms, it's always best to consult with a veterinarian to determine the cause and get proper treatment.

What Causes Diarrhea?

Diarrhea in dogs can be caused by a variety of factors. Eating garbage or spoiled food is a common reason for diarrhea in dogs. Stress or anxiety can also cause diarrhea in dogs.

Some common causes of diarrhea in dogs include eating garbage or spoiled food, medications such as antibiotics, stress or anxiety, intestinal cancer, colitis, pancreatitis, change in treats or overall diet, ingesting poisons or toxins, ingestion of foreign objects such as fabric, bones and toys, viral infections such as distemper, coronavirus or parvovirus, liver or kidney disease, inflammatory bowel disease, parasites such as Giardia, coccidia, whipworms, roundworms or hookworms, and bacterial infections such as salmonella.

If this caught your attention, see: Ear Infections

Credit: youtube.com, Causes of Sudden Diarrhea

Dogs may also develop diarrhea due to internal parasites, such as giardia, coccidia, hookworms, roundworms, or whipworms. Infection, including bacterial and viral infections, can also lead to diarrhea in dogs.

Here are some common causes of diarrhea in dogs:

  • Eating garbage or spoiled food
  • Medications such as antibiotics
  • Stress or anxiety
  • Intestinal cancer
  • Colitis
  • Pancreatitis
  • Change in treats or overall diet
  • Ingesting poisons or toxins
  • Ingestion of foreign objects such as fabric, bones and toys
  • Viral infections such as distemper, coronavirus or parvovirus
  • Liver or kidney disease
  • Inflammatory bowel disease
  • Parasites — Giardia, coccidia, whipworms, roundworms or hookworms
  • Bacterial infections, including salmonella

When to Worry

If your dog has had one episode of diarrhea but is otherwise acting normal, it's likely not a cause for concern. However, if your dog has more than two episodes, it could be a sign of a health problem.

More than two episodes of diarrhea might indicate a health issue, so it's a good idea to contact your vet if your pup has two or more bouts of diarrhea.

If your pup is straining to pass a stool but only passing small amounts of watery diarrhea, they could be experiencing a painful blockage due to the ingestion of a foreign object such as a toy. This is a veterinary emergency that requires immediate attention.

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Recurring bouts of diarrhea over a short time period can be a sign of a very serious health issue, especially if your furry friend is very old, very young, or has a compromised immune system. Infections such as parvovirus are extremely serious, contagious, and life-threatening.

If your dog is showing other symptoms as well as diarrhea, they should be seen by a vet as soon as possible. These symptoms include:

  • Lack of Appetite
  • Blood in stool
  • Signs of dehydration (Sunken dry-looking eyes, dry nose, or dry, sticky gums)
  • Unusual drooling
  • Weakness
  • Vomiting

If your canine companion is displaying any symptoms that are concerning you, contact your veterinarian. Your vet will let you know whether your pet's symptoms require an examination.

Diagnosis and Treatment

Veterinarians diagnose the underlying cause of dog diarrhea by taking a detailed history, performing a physical exam, and running diagnostic tests such as blood work, fecal exams, and X-rays. A fecal exam is particularly helpful in finding intestinal parasites.

The treatment for dog diarrhea depends on the underlying cause, which is why it's crucial to get a proper diagnosis from a veterinarian. Potential treatments include withholding food, fluid therapy, antibiotics, and a diet change.

If your dog has a mild case of diarrhea, your veterinarian may recommend a treatment plan that includes probiotics, kaolin, and pectin to help soothe and detoxify their gastrointestinal membranes.

How Veterinarians Diagnose

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Diagnosis is a crucial step in treating your dog's diarrhea. Veterinarians use a variety of diagnostics to figure out the underlying cause of your dog's symptoms.

A thorough history is taken to determine if your dog was exposed to anything that may have triggered their diarrhea. This can include information about your dog's diet, environment, and recent activities.

A physical exam is also performed to check your dog's overall health and find any abnormalities such as fever or abdominal tenderness.

Blood work, including a complete blood count (CBC) and biochemistry profile, can find issues such as kidney and liver disease or infection, and can also check your dog's hydration and electrolyte status.

A fecal exam is helpful to find intestinal parasites.

In some cases, a parvo test may be recommended to rule out this potentially deadly viral disease.

If your veterinarian suspects a foreign body blockage, an X-ray may be taken.

A food elimination trial may be suggested to figure out the ingredient that is causing the problem if your veterinarian suspects a food allergy.

Treatment

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Treatment is a crucial step in helping your furry friend feel better. The good news is that many cases of dog diarrhea can be treated at home with the right guidance from your vet.

For mild cases, your vet may recommend withholding food for 12 to 24 hours to give your dog's intestine a chance to calm down. This can be a simple yet effective solution.

If your dog has had one or two runny or soft stools, you might want to give them some time to recover by simply fasting for 12 - 24 hours. This can help their body recover from any underlying issue.

A bland diet for a day or two can also help soothe your dog's upset tummy. Plain-cooked white rice with a little chicken and some canned plain pumpkin can be a great starting point.

You can also try adding natural remedies such as natural yogurt, probiotics, peeled boiled potatoes, cottage cheese, or egg with no oil added to their diet. These can help promote the growth of good bacteria and calm down their digestive system.

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Some common ingredients in dog diarrhea treatments include kaolin and pectin, which can help absorb and remove bacterial toxins, as well as promote detoxification and soothe gastrointestinal membranes.

Here are some common treatment options for dog diarrhea, depending on the underlying cause:

Always consult with your vet before giving your dog any medication, including over-the-counter treatments, as they can be toxic to dogs.

When to Visit Your Vet

If your dog has had one episode of diarrhea but is otherwise acting normal, it's likely not a cause for concern. However, if your pup experiences two or more bouts of diarrhea, it might be a sign of a health problem.

If your dog is straining to pass a stool but only passing small amounts of watery diarrhea, they could be experiencing a painful blockage due to the ingestion of a foreign object. This is a veterinary emergency that requires immediate attention.

Recurring bouts of diarrhea over a short period of time can be a sign of a very serious health issue, especially if your furry friend is very old, very young, or has a compromised immune system.

A Woman Bringing Her Pet to a Veterinarian
Credit: pexels.com, A Woman Bringing Her Pet to a Veterinarian

If your dog is showing other symptoms alongside diarrhea, they should be seen by a vet as soon as possible. These symptoms include lack of appetite, blood in stool, signs of dehydration, unusual drooling, weakness, and vomiting.

If your dog is displaying any of the following symptoms, contact your vet right away:

  • Lack of Appetite
  • Blood in stool
  • Signs of dehydration (Sunken dry-looking eyes, dry nose, or dry, sticky gums)
  • Unusual drooling
  • Weakness
  • Vomiting

Infections like parvovirus are extremely serious, contagious, and life-threatening. If your dog is experiencing repeated episodes of diarrhea, contact your vet immediately.

Frequently Asked Questions

How long does dog diarrhea last from food?

Dog diarrhea from food can last a couple of days to a couple of weeks, usually resolving on its own with time

Raul Bednar

Senior Assigning Editor

Raul Bednar is a seasoned Assigning Editor with a passion for guiding writers towards compelling narratives. With a keen eye for detail, Raul has a proven track record of selecting high-quality articles that captivate readers. His expertise spans a range of topics, including dog training and behavior.