Not recommended — dogs and pickles
Cucumbers are safe for dogs. Pickles are cucumbers that have been transformed by brining — and the brine is the entire problem. Pickles contain 1,000–2,000mg of sodium per 100g, making them one of the highest-sodium foods commonly found in Australian kitchens. Most commercial dill pickles also contain garlic in the brine, which is toxic to dogs. The pickle itself has absorbed all of this salt and often garlic during the pickling process. Don't share pickles with your dog.
🏆 Pet Care Community Safety Score™ — Pickles for Dogs
"The pickle question always involves a surprised owner. They gave their dog a pickle because 'cucumbers are fine for dogs' — and they're right, cucumbers are fine. But pickles are not cucumbers. They're cucumbers that have been sitting in salt brine with garlic, dill, and vinegar for days or weeks. The cucumber has absorbed all of that. I had a client who was giving their Pomeranian a pickle spear daily as a treat because 'they loved it and it was low calorie.' It is low calorie — pickles are about 11 calories per 100g. It is also extremely high sodium. That dog developed chronic excessive thirst and slightly elevated kidney markers. It resolved when we stopped the pickles. The owner had been giving a daily garlic-brined dill pickle for three months."
The cucumber is fine. The pickle is not.
This is one of the more counterintuitive food safety distinctions in dog nutrition: the same vegetable, in two different preparations, can be completely safe in one form and inappropriate in the other.
Cucumber — raw, fresh, unprocessed — is one of the safest vegetables you can offer a dog. Low calorie (16 per 100g), 96% water, no toxic compounds, mild taste that most dogs find acceptable. It's on every "safe snack" list for good reason.
Pickles are cucumbers that have been submerged in brine. During pickling, the cucumber tissue reaches osmotic equilibrium with the surrounding liquid — it absorbs the salt, the vinegar, the garlic compounds, the dill, and everything else in the brine jar. By the time you eat a pickle, you're eating something that is chemically quite different from the cucumber it started as.
The sodium numbers
Commercial dill pickles in Australia — the kinds you find from Baxters, Yarra Valley, and supermarket home brands — contain between 1,000 and 2,000mg of sodium per 100g. For context:
- A medium dog's appropriate daily sodium intake: approximately 200mg
- One large dill pickle spear (~50g): approximately 500–700mg sodium
- One tablespoon of pickle brine: approximately 500mg sodium
One pickle spear alone provides 2.5–3.5 times a medium dog's daily sodium limit. Daily pickle treats, as that Pomeranian was getting, represent a chronic sodium overload that the kidneys must work continuously to manage. In senior dogs or those with pre-existing kidney compromise, this is genuinely harmful.
The garlic problem in most commercial pickles
The vast majority of commercial dill pickles include garlic in the brine. Read the ingredient panel on any pickle jar — garlic is typically listed. During the pickling process, the garlic's organosulfur compounds (N-propyl disulfide and related compounds) extract into the brine, and the brine's compounds are then absorbed into the cucumber flesh.
This means eating a garlic-brined pickle is not just a sodium exposure — it's also an Allium exposure. The dose from a single pickle is small. Repeated pickles, or a dog that got into an entire jar, represent meaningful cumulative Allium exposure that can cause haemolytic anaemia over days.
The anaemia from Allium toxicity is delayed — symptoms appear 3–5 days after the exposure, not immediately. Dogs that eat pickles and seem fine the same day may still develop pale gums, weakness, and rapid breathing later in the week.
Pickle brine as a "health drink" — and why dogs can't have it either
There's a trend in human sports and fitness culture using pickle brine as an electrolyte drink and muscle cramp remedy. Some dog owners have followed this and given their dog a small amount of pickle brine after exercise, reasoning it's a natural electrolyte source.
Pickle brine is approximately 1–2% sodium chloride — roughly 10,000–20,000mg of sodium per litre. This is not an electrolyte supplement; it's a significant sodium load. If your dog needs electrolyte support after exercise or illness, veterinary-formulated products or plain water are appropriate. Pickle brine is not.
Varieties of pickles and their risk levels
| Pickle type | Sodium | Contains garlic? | Risk for dogs |
|---|---|---|---|
| Dill pickles | Very high | Usually yes | No — sodium and Allium |
| Bread and butter pickles | High | Sometimes | No — high sodium, sugar added |
| Sweet pickles | High | Sometimes | No — high sodium, high sugar |
| Gherkins | Very high | Sometimes | No — same as dill pickles |
| Pickled jalapeños | Very high | Often yes | No — adds capsaicin irritation |
| Plain vinegar-pickled cucumber (home, no salt) | Low if made correctly | No if made correctly | Lower risk — check recipe |
The only scenario where pickled cucumber is relatively lower risk is a home-pickling recipe using dilute vinegar and minimal salt without garlic. Most commercial products don't fit this description.
🚨 My Dog Ate Pickles — What Now?
If your dog ate several pickles or drank pickle brine, call the Animal Poisons Helpline on 1300 869 738. Provide fresh water. Small dogs that have consumed significant amounts of garlic-brined pickles need vet monitoring for anaemia over the following week.
Signs that warrant a vet call:
- Excessive thirst and urination within 2 hours — sodium overload sign. Vomiting. With garlic-brined pickles: watch for Allium toxicity signs 3–5 days later — lethargy
- pale or yellowish gums
- rapid breathing. With very large exposure: neurological signs from sodium ion toxicity
If your dog ate a large amount or is showing the signs above: Don't wait — call immediately.
📞 Animal Poisons Helpline: 1300 869 738Available 24/7 across Australia. Have your dog's weight, breed and approximate quantity consumed ready when you call.
Frequently Asked Questions
Pickle-flavoured chips and crackers have the same issues as pickles themselves compressed into a snack format — high sodium, sometimes with garlic flavouring. These are not dog-appropriate snacks.
For more on vegetables and dogs, see our dog food safety hub and our guides on can dogs eat cucumber and can dogs eat silverside.
📚 Sources & Further Reading
- Osweiler GD. Salt (Sodium Chloride) Toxicosis. Veterinary Toxicology. Iowa State University Press, 1996.
- Cope RB. Allium species poisoning in dogs and cats. Veterinary Medicine 2005.
- Food Standards Australia New Zealand — Sodium in Condiments and Pickled Products. https://www.foodstandards.gov.au
- Australian Veterinary Association — Toxic Foods for Companion Animals. https://www.ava.com.au
