Can Dogs Eat Onion Chips? The Surprising Truth You Need to Know

October 3, 2025 |

Onions can cause more damage to your dog than just bad breath. This pungent culinary favorite might add flavor to your dishes, but it contains a toxin that can cause serious complications for dogs.

Dogs should not eat onion chips or sour cream and onion chips as they contain ingredients that are toxic to dogs, particularly onions and garlic. The main concern is that these ingredients can cause oxidative damage to dogs’ red blood cells, potentially leading to hemolytic anemia. Even small amounts of onion can be harmful to dogs.

If a dog consumes just one or two chips, especially if it’s a medium to large dog, monitoring for symptoms is recommended. For significant consumption, contacting a veterinarian is advised. Signs to watch for include lethargy, weakness, vomiting, diarrhea, excessive thirst, and discolored urine.

Beyond the onion toxicity, chips are also problematic for dogs due to their high salt content (which can lead to salt poisoning), high fat content (which can cause pancreatitis), and various artificial additives and preservatives that may cause digestive issues.

Instead of sharing human snacks like chips, pet owners should provide dog-safe alternatives such as homemade treats, natural store-bought treats, safe fruits and vegetables (like carrots, apples without seeds, blueberries), or lean meats.

Dogs and onion chips

We’ve all been there – relaxing on the couch with a tasty bag of chips when suddenly those puppy dog eyes are staring up at us, practically begging for a bite But before you give in to that adorable face, you need to know can dogs eat onion chips? The answer might surprise you and potentially save your furry friend from serious health issues

The Short Answer: No, Dogs Should NOT Eat Onion Chips

Let me be crystal clear right from the start – onion chips are dangerous for dogs. This includes all varieties like sour cream and onion chips, onion rings, and any snack containing onion powder or flavoring.

Why? Because onions are toxic to dogs. And I’m not just talking “might give them a tummy ache” toxic – I’m talking potential blood cell damage and serious health complications.

Why Onion Chips Are Dangerous for Dogs

Onions contain compounds called N-propyl disulfide and thiosulfate that are harmless to humans but can cause serious problems for our canine companions:

  • Damages red blood cells – These compounds can cause oxidative damage to dogs’ red blood cells, leading to hemolytic anemia
  • Toxic even in small amounts – Even a small amount of onion can be harmful to dogs
  • Cumulative effect – Repeated small exposures can build up and cause problems

One of my regular clients learned this the hard way when her German Shepherd got into a family-size bag of sour cream and onion chips during a party. The poor pup ended up needing veterinary care for dehydration and digestive issues.

What’s Actually in Those Chips? Breaking Down the Ingredients

When we look at what’s inside a typical bag of onion chips, we find several ingredients that spell trouble for dogs:

  1. Onion and garlic powder – Both are toxic to dogs
  2. High salt content – Can lead to salt poisoning or hypernatremia
  3. High fat content – Can trigger pancreatitis, a painful inflammation of the pancreas
  4. Artificial flavors and preservatives – Can cause digestive issues and allergic reactions
  5. Dairy components – Many dogs are lactose intolerant

As a comparison, here’s what your dog should and shouldn’t be consuming:

Ingredients in Chips Effect on Dogs Safe Alternative
Onion/Garlic Toxic – can cause anemia Plain cooked chicken
High Salt Can cause salt poisoning Low-sodium treats
High Fat Risk of pancreatitis Lean meats
Artificial Additives Potential allergies/digestive issues Natural dog treats
Dairy (in sour cream flavors) Potential lactose intolerance Plain yogurt (in moderation)

What Happens If My Dog Eats Onion Chips?

If your dog manages to sneak a few chips, here’s what you might notice:

Immediate or Short-Term Symptoms:

  • Vomiting
  • Diarrhea
  • Excessive thirst and urination
  • Lethargy or weakness
  • Gas and bloating

More Serious Symptoms (Usually with Larger Amounts):

  • Pale gums
  • Rapid breathing or heart rate
  • Weakness or collapse
  • Discolored urine
  • Reduced appetite

What To Do If Your Dog Eats Onion Chips

Accidents happen! If your furry friend manages to snatch some onion chips, here’s what to do:

  1. Assess the amount consumed – One or two chips for a medium or large dog might not cause serious issues, but it’s still worth monitoring
  2. Don’t panic – Stay calm so you can help your pet effectively
  3. Remove access – Make sure they can’t eat any more
  4. Watch for symptoms – Monitor for signs of distress
  5. Provide fresh water – Especially important if they’ve consumed salty chips
  6. Call your vet – Describe what happened and how much they ate

Your vet might recommend:

  • Bringing your dog in for examination
  • Inducing vomiting (ONLY if instructed by a vet)
  • Monitoring at home with specific instructions

I remember when my neighbor’s Labrador ate half a party-size bag of chips during a backyard BBQ. They called their vet right away, who had them monitor the dog closely and bring him in when he started showing signs of digestive upset. Quick action prevented more serious complications!

Healthier Alternatives for Treating Your Dog

Instead of sharing your chips, try these dog-friendly alternatives:

DIY Dog-Friendly Treats:

  • Homemade biscuits using whole wheat flour, oats, eggs, and xylitol-free peanut butter
  • Frozen treats made with plain yogurt and dog-safe fruits

Store-Bought Natural Treats:

  • Look for treats with simple, natural ingredients
  • Consider grain-free options for sensitive pups

Safe Fruits and Vegetables:

  • Carrots (raw, steamed, or frozen)
  • Apple slices (no seeds)
  • Blueberries
  • Green beans
  • Watermelon chunks (no seeds or rind)

Lean Meats:

  • Cooked chicken or turkey breast (no seasonings)
  • Small bits of cooked salmon

Prevention Is Better Than Treatment

Here are some tips to prevent your dog from getting into your chip stash:

  • Store snacks securely in high cabinets or containers with secure lids
  • Educate everyone in your household about foods that are dangerous for dogs
  • Create a safe space for your dog during parties or gatherings where chips might be accessible
  • Keep healthy dog treats on hand as alternatives when your dog begs

The Bottom Line on Dogs and Onion Chips

To wrap things up, here’s what you need to remember:

  • Onion chips are toxic to dogs due to compounds that damage their red blood cells
  • The high salt and fat content in chips can cause additional health problems
  • Even a small amount can be harmful, especially for smaller dogs
  • If your dog eats onion chips, monitor them closely and contact your vet
  • There are plenty of healthy, safe alternatives for treating your dog

As pet parents, we’re responsible for keeping our furry friends safe and healthy. Sometimes that means saying “no” to those pleading eyes when they want a bite of our human snacks.

I’ve seen too many cases of dogs getting sick from human food that could have been easily avoided. One of my clients now keeps a container of dog-safe treats right next to where they store their chips – this way, they can reach for something safe when their pup starts begging.

Remember, what’s a tasty snack for us could be a dangerous treat for them. When in doubt, stick to dog-specific treats and consult with your vet about any human foods before sharing them with your canine companion.

Have you ever had a close call with your dog getting into something they shouldn’t? Share your experience in the comments below!


Disclaimer: This article is for informational purposes only and is not a substitute for professional veterinary advice. If you believe your dog has consumed something toxic, contact your veterinarian immediately.

can dogs eat onion chips

Symptoms of Onion Toxicity in Dogs

If you think your dog may have eaten onions, look out for symptoms of anemia, including:

  • Lethargy
  • Weakness
  • Decreased appetite
  • Pale gums
  • Fainting
  • Reddish urine

Additional signs of onion toxicity in dogs include vomiting, elevated heart rate, and panting.

If your dog is exhibiting any of these symptoms, the best thing you can do to is get them to a veterinarian as soon as possible. Your veterinarian will diagnose your dog’s condition based on their symptoms and blood work. If your vet detects hemolytic anemia or the formation of Heinz bodies on a blood smear, and that is combined with a recent history of onion exposure, then all signs will point toward onion toxicity.

Other conditions can also cause hemolytic anemia, so it’s important to get an accurate diagnosis to ensure your dog gets the best care.

can dogs eat onion chips

How Much Onion Is Toxic to Dogs?

It only takes 100 grams of onion (about the size of a medium onion) per 20 kilograms of a dog’s weight to cause toxic effects, which means that a 45-pound dog would only have to eat one medium-to-large onion to experience dangerous toxicity levels.

Since most dogs would happily devour a bag of unattended onion rings or an onion casserole given the opportunity, this is a serious concern.

Can Dogs Eat Sour Cream And Onion Chips?

FAQ

What happens if my dog eats onion chips?

Dogs may experience digestive upset or salt toxicity from consuming human snack foods. Eating sour cream and onion chips can cause gastrointestinal upset due to high fat and salt content. While anemia is unlikely, symptoms like vomiting, diarrhea, or lethargy warrant veterinary attention.

Is a little bit of onion ok for dogs?

No, any amount of onion is not safe for dogs, as it contains compounds that damage red blood cells, leading to anemia and potentially life-threatening health issues. Both raw and cooked onions are toxic, and even small quantities of onion powder can be harmful, with the toxic effects potentially building up over time with repeated small ingestions.

Can dogs eat onion Pringles?

Dogs often face gastrointestinal upset and salt toxicity from consuming human snack foods. Ingesting sour cream and onion Pringles can cause vomiting, diarrhea, or salt poisoning in dogs. Symptoms include lethargy, excessive thirst, or tremors.

How long does it take for onion symptoms to show up in dogs?

Symptoms of onion poisoning in dogs can take anywhere from a few hours to 1-7 days to appear, with severe anemia often showing up 1-3 days post-ingestion. Initial signs like vomiting, diarrhea, and weakness may occur sooner, while later symptoms—such as lethargy, pale gums, rapid heart rate, and dark-colored urine—indicate developing anemia and require immediate veterinary attention.