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Sweet Orange vs. Lemon: which is safe for cats and dogs?

Sweet Orange and Lemon are frequently compared because both belong to the Citrus genus, leading many pet owners to wonder if their shared characteristics extend to their safety profiles. Unfortunately, both Sweet Orange and Lemon are considered potentially toxic to both cats and dogs. While the severity of reactions can vary depending on the amount ingested and the specific part of the plant consumed, both contain essential oils and psoralens that can trigger gastrointestinal distress and skin irritation in your pets. Because these plants pose similar risks to your household animals, it is important to keep both out of reach to ensure your pets remain safe and healthy.

Sweet Orange

Citrus sinensis

The sweet orange is a popular citrus tree known for its fragrant blossoms and edible fruit. While the fruit is a common food item, the essential oils and plant parts contain compounds that can cause irritation to pets.

cat

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Vomiting, diarrhea, lethargy, and potential skin irritation upon contact with essential oils.

dog

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Vomiting, diarrhea, drooling, and potential photosensitivity or skin irritation.

Full Sweet Orange reference →

Lemon

Citrus limonia

The lemon tree is a popular citrus plant known for its fragrant blossoms and acidic fruit. While often grown for culinary use, all parts of the plant contain essential oils and psoralens that can cause adverse reactions in pets.

cat

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Drooling, vomiting, diarrhea, and potential skin irritation upon contact.

dog

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Vomiting, diarrhea, lethargy, and signs of skin irritation or sensitivity.

Full Lemon reference →