Is Cats Safe?

Is Lemon Safe for Cats?

Toxic for cats

No — Lemon is toxic to cats.

The hazard is in the skins and plant material — the ripe fruit flesh is not the listed toxic part. To be safe, keep the whole plant away from your cat.

Lemon
Photo: Bernhard Voß at German Wikipedia · Public domain · via Wikimedia Commons

Lemon is listed as toxic to cats by ASPCA Animal Poison Control. The toxic component is Essential oils and psoralens. Cats metabolise many plant and chemical compounds poorly, so keep Lemon away from your cat and treat any exposure seriously.

Scientific nameCitrus limonia
FamilyRutaceae
CategoryPlants
Toxic partskins and plant material (the ripe fruit flesh is not the hazard)
Toxic principleEssential oils and psoralens

Signs to watch for in cats

If your cat may have been exposed to Lemon:

  1. Don't wait for symptoms; don't induce vomiting unless a professional tells you to.
  2. Note what and how much, and take any packaging with you.
  3. Call your vet or a 24/7 line now (US & Canada) — Pet Poison Helpline 855-764-7661 · ASPCA 888-426-4435. Outside the US & Canada, contact your local animal poison service.

Other Rutaceae plants

Plants in the same family (Rutaceae) are easily confused with Lemon — check each one:

Cat-safe alternatives

Browse all Plants for cats · or check another item.

Frequently asked questions

Is Lemon toxic to cats?

Yes. Lemon is reported toxic to cats by ASPCA Animal Poison Control. Keep it away from your cat.

Which part of Lemon is toxic to cats?

The hazard is in the skins and plant material — the ripe fruit flesh is not the part listed as toxic. To be safe, keep the whole plant away from your cat.

Can cats eat Lemon?

Only the skins and plant material are the listed hazard — the ripe fruit flesh is not. Even so, cats have no nutritional need for Lemon, so it's safest not to offer it and to keep the plant out of reach.

What are the symptoms if a cat is exposed to Lemon?

Reported signs include: Vomiting, Diarrhea, Depression, Potential dermatitis. Fruit is edible, Skins and plant material can cause problems.

What makes Lemon toxic to cats?

The harmful component reported for Lemon is Essential oils and psoralens. Cats metabolise many such compounds poorly, so even small exposures can cause problems.

How much Lemon is dangerous to cats?

There is no established "safe" amount — sensitivity varies by cat, and small exposures can still cause signs. Treat any exposure as potentially serious rather than waiting to see how much was involved.

What should I do if my cat ate Lemon?

Contact your vet or a 24/7 animal poison line right away: Pet Poison Helpline (855-764-7661) or ASPCA Animal Poison Control (888-426-4435).