Can Dogs Eat Lemons? Your Important Question Answered!

If you have noticed your pet pooch diving for scraps on the floor, you might be wondering what they can and can’t eat. In this article, we’ll answer the question: can dogs eat lemons? We’ll also discuss the potential health benefits of citrus in your dog’s diet and if you should incorporate common fruits like lemons. 

Keep reading to learn all about dogs and lemons!

Are lemons toxic to dogs

Can Dogs Eat Lemons?

Some fruits, like apples and blueberries, are very healthy for dogs. Others, like grapes, are highly toxic. 

But when it comes to citrus fruits like lemons, the answer is a bit more complicated. Technically, yes, your dog can eat lemons in moderation. But they probably won’t want to. 

That’s because lemons are bitter, and dogs associate bitterness with rancid or rotten food. In fact, you might notice your dog has a strong negative reaction if you put citrus fruit in front of them. 

However, there are exceptions to every rule. You might find that your dog does occasionally enjoy a bit of lemon. In small amounts, lemons won’t hurt your dog, though too much can cause stomach upset and occasionally even vomiting. 

Can Dogs Eat Lemons for Health Benefits?

Lemons are not very healthy fruits for dogs. Though the vitamins they contain are a vital part of your dog’s diet, they also have plant compounds that can be highly toxic if consumed in large quantities—and your dog would have to eat a lot of lemons to gain any health benefits from them. 

Though lemons themselves are not a good idea, they contain vitamins that your dog needs, including vitamin C, potassium, fiber, and calcium. Make sure your dog gets enough of these vitamins from other safe foods, including healthy dog food and pup-friendly fruits

A good citrus alternative for dogs is oranges. Oranges are safe for dogs in appropriate quantities. They are much lower in citric acid and bitter plant compounds, but your dog still might not be interested. If they are, make sure you give your pup oranges only as an occasional treat, since they are high in sugar and do contain citric acid. Don’t feed them the peel, as this has the highest concentration of essential oils and can cause stomach upset. 

Health Concerns Of Lemons for Dogs

As we’ve mentioned, your dog is highly unlikely to try to eat lemons. Their reaction to bitter tastes is an evolutionary development that reduces their risk of ingesting poisonous foods. But if your dog does get hold of a lemon and for some reason eats a significant amount of it, here is what you should know. 

Are lemons toxic to dogs

Lemons are high in essential oils and plant compounds known as psoralens. These can be toxic if consumed in large quantities. They are found in the rind of the lemon, not the fruit, so if your dog licks up a bit of lemon juice, there is no cause for concern.

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Large quantities of lemon juice can also be harmful, however, since it contains high levels of citric acid. Dogs are extremely sensitive to this and it can cause gastric upset.

If your dog eats lemon skin or rind, you should call your vet and monitor them for signs of poisoning. These compounds are extremely difficult for dogs to digest, so you might notice your pup might get sick almost immediately. Minor poisoning from citrus fruits will manifest as gastrointestinal distress, including diarrhea and vomiting. 

In severe cases, your dog might suffer from: poor circulation, lethargy, sensitivity to light, drooling, skin irritation, low blood pressure, panting, fur on end, difficulty standing or walking, vomiting, diarrhea, tremors, collapsing, if extreme cases go untreated, even death.

Although these symptoms are frightening and should be addressed immediately with an emergency veterinarian, remember that they’re rare. Dogs dislike citrus for a reason, and they rarely try to eat it, especially not in large quantities.

If your dog does happen to eat more than a small amount of lemon, do the following:

  • Wash their mouth out
  • Contact your vet
  • If instructed by your vet, induce vomiting

How To Get Your Dog To Eat Lemons

The short answer is that you shouldn’t want to coax your dog into eating lemons, and they are unlikely to want to eat it anyways. To help them get the health benefits of citrus fruits, stick to other vitamin-rich fruits that are safe for dogs. These include apples, bananas, blueberries, cantaloupe, oranges, mangoes, peaches, pears, pineapple, raspberries, strawberries, and watermelon.

Remember that fruit should be an occasional treat for dogs. Despite its high vitamin content, fruit contains a lot of natural sugars, which can be dangerous for dogs, especially if they are overweight or diabetic to begin with. A good rule is the 10 percent rule: treats, including fruit, should make up no more than 10 percent of your dog’s regular diet. 

Are lemons toxic to dogs

Dog Treat Recipes

There is really no point in including lemons or lemon juice in any homemade dog treats, because the bitter taste will make your dog unwilling to eat them. Instead of lemons, try making homemade dog treats that include pup-friendly, delicious fruit, like pumpkin treats or peanut butter blueberry treats.

Can Dogs Eat Lemons FAQs

Why Do Dogs Have Such a Strong Reaction To Lemons? 

Dogs have a strong negative reaction to most citrus fruits, including lemons, limes, and grapefruits. This is thanks to an evolutionary response that they developed to bitter tastes, such as the essential oils and other plant compounds in lemon skin. 

Much like rancid food tastes sour to humans, it tastes bitter to dogs. This is a way for biology to warn them away from eating food that could potentially make them sick. For this reason, eating something bitter like a lemon tells their brain that the fruit is rotten and might be harmful. It tastes so bad that your dog might drop the fruit as soon as it touches its tongue!

Why is Citric Acid In Lemons Bad For Dogs? 

Citric acid is harmful to dogs, especially in large quantities. It can cause extreme stomach upset, and even vomiting and diarrhea. Lemons are high in citric acid. Though a single lick of lemon or lemon juice probably won’t turn your dog’s stomach, too much of it can make them feel very sick. 

What About Other Citrus Fruits? 

As we mentioned above, dogs don’t care for the vast majority of citrus fruits. That includes lemons, limes, and grapefruits as well as others. 

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The single exception to the rule is oranges, which are much lower in harmful plant compounds, essential oils, and citric acid. Some dogs enjoy eating oranges, though you should always serve them in small amounts and avoid giving them the rind or seeds.

What About The Health Benefits Of Vitamin C?

While lemons are a great source of vitamin C—and it’s true that dogs need this vitamin — there are plenty of safer sources. Apples, strawberries, oranges, pineapple, and mango are all great sources of vitamin C and much safer for your canine friend. 

Are lemons toxic to dogs

Can Dogs Eat Lemons? They Shouldn’t!

While lemons have some amazing health benefits for humans, they aren’t palatable or healthy for your dog and can actually cause them to become extremely sick. Now you know how to answer the question, can dogs eat lemons? It is best to steer clear of giving your dog anything containing lemon and get them emergency medical care if they eat more than a small amount. Instead, stick to fruits that are healthier and safer for your pup. Drop a comment below to share what fruits your dog enjoys!

If you’ve also got feline family members, find out if cats can eat lemons.

Ready for more lemon content? Next, visit our lemon trees page to discover more useful and fun information on lemon planting, growing, harvesting, cooking, and more!


— Update: 14-03-2023 — cohaitungchi.com found an additional article Are Lemons Bad For Dogs? We Asked an Expert. from the website blog.myollie.com for the keyword are lemons toxic to dogs.

Giving your dog a lemon slice – is it a funny prank or animal abuse? One YouTube compilation from 2018 features almost 12 minutes of dogs vs.lemons and has over 600K views and there are many more that will come up if you do a quick search. Some people find this funny to watch dogs making faces or swatting away the lemon as the sourness hits their taste buds, but should they be laughing? Is this a harmless prank or cruel punishment? The answer is a little more complicated.

Are lemons good for dogs?

In a word, no – they aren’t good for dogs. Lemons don’t have any nutritional value and the acidic nature of their juice can cause issues for your pup. Further, the essential oils and compounds called psoralens in the lemon can be toxic for your pet when consumed in large enough quantities.

Not only are lemons not a suitable snack for your pup, but you should also avoid sharing any other citrus fruit with your dog including grapefruits and limes as well. The only exception to this rule is oranges – but these should be shared in moderation. This is because they contain both citric acid and high levels of sugar which can lead to obesity. You also want to make sure your dog is only eating the fruit and not the peel.

Even if you’re not feeding your pup lemons, they’re a pretty common household item. You want to keep your pup from stealing lemons off of a counter or even directly off a tree if you live in an area where people grow lemons. If you notice your dog is gravitating to lemons because they’re roundish and yellow (kinda like a tennis ball) you’ll want to make sure your dog understands the command leave it. If they don’t it might be a good one to brush up on. If your dog is grabbing the lemon in its mouth ask them to drop it and then reward them when they do. You do not want your pup to think lemons are toys.

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The other items you want to keep away from your dog are lemon essential oils and lemon-scented household cleaners. While they might be made with natural ingredients, these products can still make your dog sick. Essential oils are highly concentrated – and therefore lemon essential oil can make your dog sicker than just some lemon juice. Lemon cleaners could be natural or synthetic. Read the labels and make sure you heed any warnings, but you’ll want to keep these away from your pet regardless.

Are lemons toxic to dogs

Risks associated with eating lemons

Too much lemon juice can irritate your dog’s stomach due to the high levels of citric acid. Your pup may experience vomiting or diarrhea as a result. If your pup has eaten a lot of lemons you might even notice they’re having an unusual sensitivity to light.

The other thing you need to watch out for is choking or an intestinal blockage. Lemon seeds could be a choking hazard and if your pet swallows too much of the peel it could cause an intestinal blockage.

Some people use lemon juice as a deterrent for puppies so they don’t chew on things they shouldn’t or a punishment for being “naughty”. This can cause more harm than good as the citric acid in the lemon juice can make your pup sick. Not only will this not help change the behavior, but will also lead to some serious clean up for you. If you want to keep your puppy from chewing on the couch or a favorite shoe – try distracting them with a chew toy or bone when you see them heading for it – and make sure to keep shoes, clothes, handbags, and other prized possessions away from young puppies or dogs who might think they look like fun toys.

If your dog has eaten a lot of lemons, contact your vet or animal poison control. They will tell you what you need to do and if your pup should be seen. For most dogs, a small amount of lemon will not require a trip to the vet. In fact, other then a funny face your pet may not have a negative reaction at all.

Why do dogs have a strong reaction to lemons?

Like us, dogs can taste both bitter and sour flavors. While some dogs don’t mind the sour flavor, bitter flavors are unpleasant for them. This is why some people use a bitter spray (usually made from apple cider vinegar) to discourage puppies from chewing.

You should also avoid sharing lemonade or other sweetened lemon products with your dog. While the taste might be more pleasing, it is still full of citric acid. Also, sugar adds calories and your pup doesn’t need the empty calories as it can make them pack on the pounds. Artificial sweeteners, especially xylitol should also be avoided as they are toxic to dogs.

If you’re looking for a sweet treat to share with your pup try one of these fruits that have some health benefits as well!

The Ollie blog is devoted to helping pet parents lead healthier lives with their pups. If you want to learn more about our fresh, human-grade food, check out MyOllie.com.

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About the Author: Tung Chi