What Can Dogs Eat? — The Ultimate List
Can Dogs Eat Onions or Garlic?
When to see a vet IMMEDIATELY
- •Blood in stool or vomit
- •Lethargy, not drinking, or not eating for 24+ hours
- •Repeated vomiting, especially if water won't stay down
- •Swollen or painful abdomen, whimpering
- •Diarrhea lasting more than 3 days, or worsening symptoms
This article is informational and does not replace veterinary examination.
Free tool — no sign-up
Enter weight, age and body shape: 30 seconds and you get the daily portion.
Can Dogs Eat Onions or Garlic?
No. Alliums, including onions, garlic, leeks, shallots, and chives, are toxic to dogs in all forms.
Why Are They Dangerous?
🚨 Alliums damage red blood cells, which can lead to anemia. The effect is dose-dependent but can also accumulate, and symptoms may appear one to two days after consumption.
Raw, Cooked, Dried, Powdered: All Are Toxic
Cooking does NOT make alliums safe. Garlic and onion powder are actually more concentrated than fresh vegetables, so even a small amount in a sauce can cause problems.
Where Do They Hide?
Many everyday foods contain hidden onions or garlic: gravy, bouillon cubes, soups, ready meals, and baby food. Never share these with your dog.
Symptoms to Watch For
- Lethargy and weakness
- Pale gums
- Decreased appetite
- Dark or reddish urine
A Word on Garlic Supplements
Some products advertise garlic as a flea repellent. Evidence for this is weak, and the safety margin is narrow, so always consult your veterinarian before using any garlic-containing product.
This information is for educational purposes only and is not a substitute for veterinary advice.
Free tool — no sign-up
Enter weight, age and body shape: 30 seconds and you get the daily portion.
References
- 1.Salgado BS, Monteiro LN, Rocha NS — Allium species poisoning in dogs and cats. Journal of Venomous Animals and Toxins including Tropical Diseases 17(1):4–11, 2011. https://doi.org/10.1590/S1678-91992011000100002 (accessed: 2026-09-10)
- 2.American Veterinary Medical Association — Household hazards: foods and substances that are toxic to pets. AVMA, 2024. https://www.avma.org/resources-tools/pet-owners/petcare/household-hazards (accessed: 2026-09-10)
This is general information and does not replace a veterinary diagnosis.
This guide was compiled based on the expert input of Reka Fazekas-Birizdo canine nutritionist.
Certified Canine Nutritionist
