🐾Is It Safe?

Can my dog eat Lemon?

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Do not feed

Dangerous — psoralen and limonene cause liver damage and GI upset.

DANGER

Contact a veterinarian

If your dog ate this or shows symptoms, call ASPCA Poison Control: (888) 426-4435 or your veterinarian for case-specific advice.

What this means

Lemons and limes contain psoralen compounds and essential oils that are toxic to dogs. The peel, pith, seeds, and leaves are especially concentrated. Ingestion causes vomiting, diarrhea, weakness, tremors, and liver damage. The high citric acid also causes severe GI upset.

Key compound:Psoralen, limonene, linalool

Symptoms to watch for

vomitingdiarrheadepressionphotosensitivityliver damagetremors

Note for medium dogs (20–60 lbs)

Avoid completely — no benefit and real risk of harm.

Reviewed against

For reference only — not a substitute for professional veterinary advice. Consult your vet if you have concerns about your dog's health.

Frequently asked questions

Can dogs eat Lemon?
No, dogs should not eat Lemon. Lemons and limes contain psoralen compounds and essential oils that are toxic to dogs. The peel, pith, seeds, and leaves are especially concentrated. Ingestion causes vomiting, diarrhea, weakness, tremors, and liver damage. The high citric acid also causes severe GI upset.
My dog ate Lemon, what should I do?
Contact your veterinarian or the ASPCA Poison Control: (888) 426-4435 immediately. Do not wait for symptoms. Possible symptoms include: vomiting, diarrhea, depression, photosensitivity, liver damage, tremors.
How much Lemon is toxic to a dog?
Even small amounts of Lemon can be harmful to dogs due to Psoralen, limonene, linalool. The toxicity depends on the dog's size and how much was consumed. Contact your veterinarian immediately for guidance specific to your situation.
Is Lemon poisonous to puppies?
Yes, Lemon is especially dangerous to puppies because they are smaller and their bodies are still developing. Puppies may experience more severe symptoms than adult dogs. Contact a veterinarian immediately if a puppy consumes Lemon.
Does my dog’s size matter when eating Lemon?

Small dogs: Any amount of lemon is problematic for small dogs.

Medium dogs: Avoid completely — no benefit and real risk of harm.

Large dogs: Still contains toxins. Not appropriate for any dog.

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