Not veterinary advice. This page is general information from published sources, not a diagnosis. If your dog ate something toxic, call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 right now (a fee may apply).

πŸ₯’ Vegetable

Can dogs eat cucumber?

Safe to eat
Yes, cucumber is a safe, low-calorie, hydrating snack for dogs.

Why

Cucumbers are very low in calories, fat-free, and low in sodium while supplying vitamins K, C, and B1 plus potassium and magnesium. Both the skin and seeds are generally safe to eat. The main risk is choking, especially in small or fast-eating dogs, so pieces should be cut to an appropriate size.

How much is safe

Slices or bite-sized pieces kept within 10% of daily calories; cut small to prevent choking.

Helpful for treat time

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Frequently asked questions

Can dogs eat cucumber?
Yes, cucumber is a safe, low-calorie, hydrating snack for dogs. Cucumbers are very low in calories, fat-free, and low in sodium while supplying vitamins K, C, and B1 plus potassium and magnesium. Both the skin and seeds are generally safe to eat. The main risk is choking, especially in small or fast-eating dogs, so pieces should be cut to an appropriate size.
How much cucumber can a dog have?
Slices or bite-sized pieces kept within 10% of daily calories; cut small to prevent choking.
What should I do if my dog ate something toxic?
Call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 right away (a consultation fee may apply). Have the food, the amount, and your dog's weight ready. Do not induce vomiting without professional guidance.

Source & last checked

  • Safety rating from AKC β†—
  • Last checked: 2026-07-20
  • Every dog is different β€” size, age, allergies, and health conditions matter. When in doubt, ask your veterinarian before introducing a new food.