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What are Eating Leaves?

Dogs love to eat things that they really are not supposed to, from your child’s homework to grass, dirt and leaves. It is actually very common to see your dog munching on grass or leaves and they do so for many different reasons. Eating leaves can be a completely natural thing for your dog but it can have some negative side effects such as vomiting. 

  • Boredom
  • Nutritional deficiency
  • Nausea
  • Gas
  • Intestinal parasites 

If you notice your dog is consistently eating leaves, assess the situation and see if your dog is simply bored or if there is an underlying cause of their munching on leaves. If it is boredom, you may want to change out their toys and also consider some interactive toys that make them work and think.

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Why Eating Leaves Occurs in Dogs


When a dog is bored, they look for things to occupy their time. This could be in the form of eating leaves or digging holes, anything to occupy their time. To keep your dog from experiencing boredom switch out their toys weekly so they always have “new” to play with. Look for toys that are interactive and will keep them thinking and trying to figure out the puzzles. 

Nutritional Deficiency

Commercial dog foods range in quality of ingredients. Most commercial dog foods will also contain fillers that have no nutritional value. If your dog is not getting enough nutrients from their food, they will look for other sources to fulfill that need. By eating leaves, they could be signaling that they are not getting enough fiber or other important nutrients. Speak with your veterinarian about which dog food would best meet your dog’s nutritional needs. 


Dogs will munch on grass and leaves as a way to alleviate nausea. Many times you will see your dog chomping on leaves and grass and them vomiting. They will eat the leaves and grass to induce vomiting and hopefully help their nausea. Recurring nausea could be a symptom of something serious and should be checked out by your veterinarian. 


Gas is a sign of gastrointestinal upset and if your dog is feeling bloated or gassy they will try to alleviate the uncomfortable sensations they are experiencing. They will do so by eating leaves or grasses and making themselves vomit or have a bowel movement. Gas can occur from a change in their diet. Treats or food can give your dog gas and bloating and cause them to feel uncomfortable and lethargic. Excessive gas can cause your dog to be miserable and it is a good idea to see your veterinarian quickly for treatment. 

Intestinal Parasites

It is believed that your dog will eat leaves as a way to help eliminate intestinal parasites. Dogs that are suffering from an infestation of intestinal parasites will in general not feel well. They will eat leaves as a way to alleviate any stomach upset and to try and flush the intestinal parasites from the intestinal tract. If you notice worms in your dog’s stool or vomit, you will need to seek medical attention immediately.

What to do if your Dog is Eating Leaves

Dogs that are experiencing boredom and are eating leaves because they have nothing better to do are not happy dogs. You will need to ease their boredom by playing with them more and giving them more exercise. Fetch is a great way to get your dog moving and give them that one on one attention that they need. Rotate their toys each week so they do not become bored with the same old toys. Look for interactive toys that will challenge their brain and make them think. 

Speak with your veterinarian about the nutritional needs of your dog. Each dog is different and their nutritional needs will vary. If your dog is lacking in nutrients or just simply not getting enough to eat, you may want to change your dog’s diet. Look for a food that has high quality ingredients without fillers or with minimal fillers. 

Excessive gas or nausea can be cause for concern and your veterinarian will want to do a physical examination as well as run routine tests to figure out what is causing the problem. Routine tests will usually include complete blood count, urinalysis, fecal exam and biochemistry panel. 

Intestinal parasite infestations can be diagnosed usually through a fecal exam. Once your veterinarian has determined which intestinal parasite has invaded your dog’s body, they can set up treatments. Be sure to do a follow-up visit about two weeks after the final treatment to ensure that all the intestinal parasites have been eradicated.

Prevention of Eating Leaves

It is easy for your dog to become bored if they are left to their own devices, especially if your dog is a higher energy dog. Provide plenty of exercise and keep them active. Keep changing their toys so they do not become bored with the same old toys. Spend extra time with your dog, this can be playing a game like fetch or working on their training. Stay upbeat and happy during your time with your dog.

Regular veterinary visits will keep your dog healthy and free of intestinal parasites if a fecal exam is being conducted at each appointment. Feed a high quality commercial dog food and do not give out too many extra treats that can cause stomach upset or gas.

Cost of Eating Leaves

Depending on the exact cause of why your dog is eating leaves, you could spend between $300 to $2000 for testing and treatments. Intestinal parasites and flatulence for example, may initially cost between $300 and $400 dollars, although a serious infestation of worms that may need to be removed by endoscopy could cost much more to treat. Boredom can be alleviated by spending money on quality toys that will keep your dog active. It is at your discretion to decide how much you are willing to spend to keep your dog from becoming bored.

Eating Leaves Questions and Advice from Veterinary Professionals

Min Pin
5 Years
Fair condition
-1 found helpful
Fair condition

Has Symptoms


In 2yrs that I've had my min pin, she ate grass and a leaf once and threw it up days later. She just recently did it again but hasn't threw it up yet. can a dog digest grass and leaves?

Callum Turner
Dr. Callum Turner, DVM
1808 Recommendations
There is some debate regarding whether eating grass is normal behaviour or not, most dogs will not eat grass at all whilst others may do so when they have a stomach upset; it is suspected that dogs will eat grass to induce vomiting but this only occurs 25% of the time. Keep and eye on Tina, also remember that some leaves can be poisonous from some trees. Regards Dr Callum Turner DVM

Reads like a general response to many questions. Didn't at all answer my question. What a waste of a web site and peoples time....

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10 months
Fair condition
1 found helpful
Fair condition

Has Symptoms


I have a 10 month old maltese and he loves to eat grass and leaves. This has been going on for a few weeks. Should I be concerned? He is currently eating Eukanuba for pets 1 year and younger.

Callum Turner
Dr. Callum Turner, DVM
1808 Recommendations
You should discourage the consumption of grass and leaves since some leaves may come from plants or trees which are toxic to dogs; you should punish Buttons when he attempts to eat leaves and you should try to keep the leaves as clear as you can from your garden which I know from my own garden can be impossible. It is possible that eating leaves is due to a nutritional deficiency which may be improved with a change in diet. Regards Dr Callum Turner DVM

What kind of dog food would you suggest that have more fiber?

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Jack Russell Terrier
7 Months
Moderate condition
0 found helpful
Moderate condition

Has Symptoms

Picks out food she likes
Sometimes eats leaves

Our seven-month-old puppy is really difficult around feeding times. She doesn't like to eat in the mornings but she will eat a little at lunch and dinner. She is generally not interested in her food, we give her a combination of kibble and home cooked chicken, rice and vegetables. When we offer her treats she gladly accepts. I sometimes have to feed her out of my hand to get her to eat, but she doesn't like to eat out of the bowl until I've given her a few pieces of her food to try. She acts and plays normally but is really difficult when we try to feed her. This has been going on for about 2 months. We spoke to our vet a while ago and she believes it is behavioural. Do you have any suggestions about what we can do?

Callum Turner
Dr. Callum Turner, DVM
1808 Recommendations

Some dogs are just like this, they will normally eat on their own terms; my dog will bother me to put food in his bowl, he will smell it and leave it for later but will always finish his food before the next feeding time. Try feeding her the kibble only for a few days and see if she will eat it all before the next feeding time; sometimes dogs will eat their food, just over a longer period of time. If she is eating an adequate amount every 24 hours and is putting weight or retaining weight, I wouldn’t be too concerned. Regards Dr Callum Turner DVM

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