CautionFruits
Updated:2026-09-28 · Food code:FOOD-FRU-0004
柑橘类水果 配图

Citrus FruitsCitrus spp.

Citrus Fruits

Citrus spp.
Also known as:orange, lemon, lime, grapefruit, tangerine
CatCaution

Cats are especially sensitive to citrus oils; peel and essential oils can cause drooling, vomiting and lethargy.

DogCaution

Stems, leaves, peels and seeds contain citric acid and essential oils that irritate the gut and, in larger amounts, may depress the nervous system; a small piece of flesh usually causes only mild upset.

What to do after ingestion

Feeding risk and emergency notice · Contact a veterinarian or an emergency animal hospital immediately; do not rely on this site alone
Symptoms

Drooling, vomiting, lethargy, hiding.

What to do

Remove the remaining citrus and contact a veterinarian; treat essential-oil exposure as a poisoning.

Toxic compound

Citrus essential oils and citric acid

Why it is risky

Cats are especially sensitive to citrus oils; peel and essential oils can cause drooling, vomiting and lethargy.

What to do after ingestion

Feeding risk and emergency notice · Contact a veterinarian or an emergency animal hospital immediately; do not rely on this site alone
Symptoms

Drooling, vomiting, diarrhoea, abdominal discomfort; larger ingestions may cause lethargy and unsteady walking.

What to do

A small amount of flesh can be monitored; contact a veterinarian immediately if peel or essential oil was eaten.

Toxic compound

Citric acid and citrus essential oils (e.g. limonene)

Why it is risky

Stems, leaves, peels and seeds contain citric acid and essential oils that irritate the gut and, in larger amounts, may depress the nervous system; a small piece of flesh usually causes only mild upset.

Nutrition

Per 100 g, edible portion
Energy · kcal/100g
53
Protein
0.81 g
Fat
0.31 g
Carbohydrates
13.34 g
Dietary fiber
1.8 g
Water
85.17 g

Data source:USDA FoodData Central · SR Legacy · Accessed on:2026-09-28

Cat · Safe feeding conditions

Caution

No additional condition notes for this food

Clinical and veterinary sources

1
ASPCA Animal Poison Control Center
People Foods to Avoid Feeding Your Pets
Accessed:2024-10-08View source ↗
Why it is risky

Cats are especially sensitive to citrus oils; peel and essential oils can cause drooling, vomiting and lethargy.

Toxic compound

Citrus essential oils and citric acid

Symptoms

Drooling, vomiting, lethargy, hiding.

What to do

Remove the remaining citrus and contact a veterinarian; treat essential-oil exposure as a poisoning.

Notes

Concentrated essential oils are far stronger than peel - keep them out of reach.

Dog · Safe feeding conditions

Caution

No additional condition notes for this food

Clinical and veterinary sources

1
ASPCA Animal Poison Control Center
People Foods to Avoid Feeding Your Pets
Accessed:2024-10-08View source ↗
Why it is risky

Stems, leaves, peels and seeds contain citric acid and essential oils that irritate the gut and, in larger amounts, may depress the nervous system; a small piece of flesh usually causes only mild upset.

Toxic compound

Citric acid and citrus essential oils (e.g. limonene)

Symptoms

Drooling, vomiting, diarrhoea, abdominal discomfort; larger ingestions may cause lethargy and unsteady walking.

What to do

A small amount of flesh can be monitored; contact a veterinarian immediately if peel or essential oil was eaten.

Notes

Essential oils, peel scraps and diffuser residue are all potential exposure sources.

Disclaimer and individual health notes

This website is for reference only and does not replace a licensed veterinarian. If your pet has eaten a suspected toxin or shows symptoms, contact a veterinarian or an emergency animal hospital immediately.