Can dogs eat cucumber?
SAFE Category: Vegetable · Reviewed September 2026
Cucumbers are safe and almost calorie-free — about eight calories per half cup — which makes them excellent treats for overweight dogs. Serve sliced; whole rounds can be a choking shape for gulpers. The skin is fine. Pickles are not cucumbers in this context: the brine salt and seasonings disqualify them.
Quick answers
Can dogs eat cucumber?
Yes — in moderation. Cucumbers are safe and almost calorie-free — about eight calories per half cup — which makes them excellent treats for overweight dogs. Serve sliced; whole rounds can be a choking shape for gulpers. The skin is fine. Pickles are not cucumbers in this context: the brine salt and seasonings disqualify them.
How much cucumber can a dog eat?
Treats of any kind should stay under about 10% of daily calories. Introduce any new food slowly and watch for individual intolerances.
What should I do if my dog ate cucumber?
Small amounts are generally fine. Monitor for stomach upset over the next few hours and offer normal food and water.
Related foods
Can dogs eat onions? · Can dogs eat garlic? · Can dogs eat wild mushrooms? · Can dogs eat tomatoes? · Can dogs eat potatoes? · Can dogs eat pickles?
Source: AKC Can Dogs Eat series. This page is informational and is not veterinary advice.