Owner picking up mustard yellow dog poop

Mustard Yellow Dog Poop (or Diarrhea) After Chicken & Rice

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Sean Green

Researched & Written by

Sean Green

At EasyPet, we are committed to presenting the most accurate and up-to-date information to assist you in your pet care journey. When appropriate, we consult licensed and practicing veterinarians to fact-check our professionally written articles.

So you’ve fed your dog a chicken and rice dish, but now you’re worried about the mustard yellow dog poop? Seeing a different poop color from your dog can be a little unexpected. We’ve had a few questions surrounding this concern. In this article, we talk about the possible reasons why a dog’s poop becomes yellow after having some chicken and rice. 

There are several possible causes, some of which are more serious than the others. In general, the color of dog feces is influenced by what your dog eats. Some types of food processing can make feces look more or less yellow. Changing between canned or moist food, for example, could make dog poop quite yellowish.

Do not panic if your pet has recently eaten chicken and rice and has yellow poop. As long as your dog is acting normal, it should only last a few days. In most cases, your dog will be fine and not need any medical attention. But in case your dog has diarrhea and other symptoms, this article can help you understand if your pet has possible gastrointestinal ailments.

Dog eating chicken and rice dog food

So, let’s discuss why dog poops turn yellow after eating chicken and rice.

What Causes Dogs Poop to Turn Yellow?

Here are some common causes of why dog poop turns to yellow:

  • Dietary changes
  • Food intolerance
  • Food with yellow coloring
  • Non-food yellow items
  • Inflammatory bowel disease
  • Gallbladder issues
  • Liver disease
  • Parasites
  • Infections
  • Bile pigment

Your dog might have yellow stool due to dietary changes when introducing new foods. Any type of new food that a dog is not accustomed to eating can cause yellow poop, including chicken and rice. Yellow poop is a sign that the dog’s stomach is upset but could also indicate stomach problems.

If your dog is experiencing diarrhea, then the yellow or orange coloration you see in their poop may be caused by their digestive tract producing a large amount of bile. This is a normal reaction to a bacterial infection in the gut, and it is common for a dog to produce yellow bile. This is one of the first things we look for in a dog with diarrhea, as this is a typical symptom of bacterial infection.

Other causes of yellow poop can include consuming foods containing bile pigments such as beets, carrots, parsnips, and turnips. If your dog has eaten these foods, they may have a yellow or orange tinge to their poop. This is a natural reaction to consuming these foods and should not be cause for concern if your dog is acting normally.

It’s also possible that your dog has ingested some type of medication. Certain antibiotics, steroids, and anti-inflammatory drugs can cause the yellowing of your dog’s poop. But most commonly, your dog has eaten some type of food that has produced a certain color.

Does Chicken and Rice Make Your Dog’s Poop Yellow?

If your dog is experiencing a bout of diarrhea, then the yellow coloration will likely result from the feces itself. In the case of yellow poo after chicken and rice, the feces results from diarrhea in contact with the yellow bile in the gastrointestinal area. And the yellow coloration is due to the presence of yellow bile in the feces.

Mustard yellow

Orange poop can also result from the presence of blood in the stool. The presence of blood is also a symptom of a bacterial infection. The presence of blood in the stool is not a normal reaction to food consumption and could be a cause for concern to discuss with your vet.

It might be a good idea to bring a feces sample to the veterinarian to medically inspect for the potential presence of dog parasites. If necessary, the vet will check your pet’s blood work and conduct x-rays or ultrasounds to look for irregularities in the gastrointestinal tract.

What Causes Dog Diarrhea?

Chicken and rice have white color and can cause your dog’s poop to have a yellow or orange coloration, but there are other reasons why this could occur. When your dog has diarrhea, their poo will be watery, liquid, and soft with a foul odor. Several factors could have been involved in the color change:

  • Switching your dog’s diet to a different type of food
  • Your dog may have an allergic reaction towards certain foods
  • Parasites such as whipworms give intestinal problems to your dog
  • Liver problems include bacterial or fungal infection, inflammation, toxins, and cancer
  • Bile not flowing from the gallbladder to the intestines leading to gallbladder issues
  • Bacteria, viruses, or reactions to new foods or medications that lead to gastroenteritis
  • Eating and consuming food that’s not safe for your dog/non-food items 

What Are the Symptoms of Dog Diarrhea?

While diarrhea is a symptom of an underlying disease, it is not always an indicator that your dog is sick. Some dogs have diarrhea for a short time when they are stressed or are traveling. 

If you wonder what is going on with your dog, you may notice any of the other symptoms mentioned below. You should consider taking your dog to the vet as soon as you notice any of these signs:

  • Watery or loose stool
  • Dry, dark-colored stool
  • Malodorous stool
  • Foul odor coming from the dog’s rectum
  • Frequent urination
  • Vomiting
  • Reduced appetite
  • Signs of dehydration
  • Lethargy
  • Fever
Dog having diarrhea


Does a bland diet cause yellow poop?

Diarrhea can be a common problem for dogs. Many vets recommend bland foods such as chicken and rice diet for dogs with diarrhea. White rice is suitable for dogs with diarrhea because it helps to firm up the consistency of the watery dog stool.

Can too much chicken and rice give a dog diarrhea?

It is important to note that if your dog is put on a bland diet like chicken and rice, they may suffer from a deficiency in vitamins and minerals in the long run. As a rule of thumb, it’s best to feed your dog a variety of foods, rather than a single type of food. 

Some dogs can tolerate a type of diet with chicken and rice. However, this diet should be a temporary solution until you find a more suitable diet. You should make sure that your dog is eating a balanced diet that includes plenty of protein, which can be difficult if you only feed them chicken and rice.

Chicken and rice are not inherently bad for your dog, it is a combination of food that can cause diarrhea. We always recommend a fresh diet for your dog to avoid any of these issues. If your dog has diarrhea, you should see a vet immediately to check for a bacterial infection.

What kind of human foods can dogs eat?

As dog owners, we all have the occasional habit of giving our dogs a little bit of human food or topping the kibble with a small treat. Sometimes, the temptation is real, and that adorable face begging for more is hard to resist. But it’s better to be more aware of the type of treats we offer to our canines because some foods could easily give them tummy trouble. 

Read Also: Can Dogs Eat?

When dogs eat too much fat and carbs, they can experience gas, diarrhea, vomiting, and stomach pain. To keep your dog’s digestive system healthy, you should keep the foods they eat to the normal amount for them. Overeating certain human foods can lead to obesity. When it comes to giving your pet small treats, it’s better to feed them dog-safe foods like meat, fruits, and vegetables such as carrots, green beans, or apples (without seeds). Foods rich in protein are as well always beneficial to our carnivore friends. But avoid processed foods, since there are a lot of additives and other ingredients that aren’t good for dogs.

Should I be concerned about mustard yellow dog poop?

If you start noticing yellow poop after feeding your dog chicken and rice, do not panic! If your dog is acting normally, they may simply have just started eating this new food. If you see yellow poop, it could mean that they are not digesting the new food after a dietary change. Keep an eye on your dog and observe if they display signs of sickness.

If the yellow stool turns into runny diarrhea and your dog is showing a lack of appetite, dehydration, vomiting, or any of the symptoms mentioned above, it is advisable to take them to the veterinary right away. Remember, a sample of the yellow poop might help the vet better understand the cause of diarrhea.Also, yellow dog poop that turns from bright yellow to a reddish color like orange might be a sign of a serious health problem. Again, in this case, it would be better to take your dog to the vet immediately. Bloody feces in a dog with liver disease could suggest illness or an underlying condition. If you notice that your dog has red or orange feces, they should be examined.

Conclusion: Mustard Yellow Dog Poop 

Dogs are great pets, and it is essential to take care of their health. The optimal way to do so is to feed your dog a balanced diet to avoid any issues. Dog owners can also take a positive approach to their dogs’ health by monitoring their poo (coloring, texture, contents, layers, and consistency). Feces is one of the first indicators of conditions in many of the most common ailments of dogs.

But we want to stress that a yellow dog poop is not always a bad sign. It is not uncommon for dogs to have yellow stool after eating new food. This can be a simple sign of a dietary change. 

Yellow poop is a common side effect of a chicken and rice diet for dogs, any type of new food that a dog is not used to eating can cause yellow poop. Yellow poop is a signal that the dog’s stomach is upset and a symptom of stomach disturbance.

We hope this article answered your question and relieved some of your worries about what causes dog poop to turn yellow. But again, it might be the best decision to visit your vet if you’re still genuinely concerned about your pet. This might help your canine friend from having health issues down the road.

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