Why Do Dogs Eat Grass, And Is It Bad For Them?

by pawbuzz on in Dogs, Health, Popular 253

Dogs love to munch away on grass, and some even make it part of their daily routine. Fortunately, most experts believe it isn't something you should worry about. So why exactly do they gobble up that green stuff in your yard?

Is Grass Bad For Dogs?

“I do not know of any grasses that are toxic to dogs, but I would not say that grass is good for dogs,” said Jessica Potosky, Doctor of Veterinary Medicine (DVM). “They definitely don’t need to eat it.”

I’ve always watched dogs eat grass and thought, “Aww, how cool; he has a natural instinct that tells him to eat grass when he’s sick.” But apparently, that’s not really the case. We’ve all seen dogs eat grass and then throw up, but the experts say dogs don’t need to eat grass.

“Fewer than 10 percent of dogs seem to be sick before eating grass, according to their owners… and less than 25 percent of dogs that eat grass vomit regularly after grazing,” WebMD Pets states.

More: 20 Things All Dog Owners Must Never Forget. The Last One Brought Me To Tears…

This does not mean, however, that only 25 percent of dogs eat grass. Most of them do, apparently. WebMD Pets also cites a small-scale study of 49 dogs in which 79 percent of the dogs with regular access to plants had eaten them.

Grass can be bad for dogs if it has been sprayed or treated with herbicides, pesticides, or even fertilizers. If you’re not sure, then it’s best to not let your dog eat the grass.

Why Do Dogs Eat Grass?

There are several theories as to why dogs eat grass, though most veterinarians agree that it is normal dog behavior.

One possibility is that a dog may be suffering from inflammatory bowel disease or acid reflux. Dr. Michael Goldberg told Modern Dog Magazine that he’s occasionally seen dogs lick the air, stretch out their necks and show swallowing behavior before rushing outside to find some grass. They eat it furiously, and then throw up.

Following these dogs endoscopically, Dr. Goldberg has found that they often have prevalent conditions in their digestive tracts that might indicate inflammatory bowel disease or acid reflux. This is not to say that inflammatory bowel disease or acid reflux is a common condition in dogs. However, if your dog continues to get sick after eating grass, you may want to take him to the vet to be checked.

More: 12 Human Foods That Could Kill Your Dog

Another theory by experts is that dogs may eat grass because their digestion or nutrition is poor or they may have contracted worms. They may be eating grass to attempt to fix what is wrong or to get whatever is lacking in their diet.

Unless she suddenly starts eating grass when she has never done it before, there is no reason to be worried. But the reverse is also true. Dr. Potosky says that if your dog doesn’t normally eat grass but suddenly begins to eat it all the time, then your baby needs a visit with the vet because there may be a gastrointestinal issue going on.

Dogs also may eat grass just because they like the taste of it or feel hungry. She could also be eating grass because she’s bored, just as they may be when it seems like she’s sleeping all the time. Is your dog getting enough exercise? Does she have any balls or chew toys when she’s outside by herself with all that grass? Is she getting enough Mommy/Daddy time with you? Maybe it’s time to remedy the situation.

Should I Let My Dog Eat Grass?

Dogs don’t need to eat grass, but as long as the grass hasn’t been sprayed or treated with pesticides or fertilizers then it shouldn’t be toxic for your dog to eat. But we do need to watch what our dogs eat and look out for red flags that could suggest a problem.

My dog has never vomited after eating grass and seems to just like the taste of it. If he occasionally chews on a blade of ordinary grass or two, I’ll let him and not be concerned. It’s certainly a lot better than some of the things he tries to eat!

More: 35 Healthiest Human Foods You Can Feed Your Dog (And The 12 That Could Kill Your Dog)

A couple of weeks ago, I was worried Mason had eaten some berries from my neighbor’s holly trees. After calling my vet, I learned that holly berries can be extremely dangerous for dogs. Fortunately, Mason never suffered any side effects whatsoever, so he probably wasn’t chewing on one of those little red berries. Still, the experience made me realized the importance of monitoring what our dogs eat.

What If My Dog Is Eating Grass And Vomiting?

If your dogs vomit every time after eating grass and you’re concerned, it’s best to go to a vet. While eating grass can be common in dogs, it’s best to rule out any possibilities of a hidden health problem.

Here's an informative video you can watch for further info:

Dr. Karen Becker explains why dogs eat grass and sheds some light on the motives behind this popular doggy behavior. Learn what you can do if your dog eats grass often.

If you have learned things from this article that will help you in understanding and taking care of your dog, please SHARE with your friends and other dog owners so that they can also benefit.



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253 thoughts on “Why Do Dogs Eat Grass, And Is It Bad For Them?”

  20. David Milliman

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    Any one know where I. Can get a boxer cheep or rescue on I am retired and on a fixed income live alone I had one before a girl she was the the best dog I ever had she died of cancer I am in Albany ny thanksdave

  25. Joana Djoeis Jo

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    My (deceased) dogs like to eat grass perhaps to improve their digestion systems. It was specific grass only. They did not eat all types. The very same grass is made into herbal medicine too by some traditional medicinal companies. They passed away in their old ages btw nothing to do with grass.

  27. Jennifer Lynn

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    They are the best dogs, but please only rescue one if you can provide necessary medical care and routine shots to the pet. Everyone would love to rescue or have a dog, but only do so if you can afford all aspects of having one. There are many rescues that partner with veterinarians who have access to affordable health services for animals, from spay & neuter to shots and groomers.

  44. Kelly Foran

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    Good article and some important info to keep in mind. Thank you.
    I’ve had numerous dogs and all seem to have “liked” eating grass… no medical issues at all. I’ll even pick smaller blades of grass for them.
    One thing I have noticed, and there may be an “instinct” at work here, is that their grass eating is predominantly in the spring when fresh grass shoots are coming up. For many “wild animals” this is the season you find many of them eating grass as well. Those involved in bear research say bears do this to help their digestive systems get up and going sfter a long winter hibernation.
    So there may be an ancient instinct buried in our dogs DNA that triggers grass eating, especially in the spring.

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