Bergamot Orange Toxic?

Updated 2026-03-06| 3 min read| 3,786 found this helpful

Bergamot Orange is verified toxic to cats, dogs, and horses per ASPCA data

Core toxic compounds are essential oils and psoralens found across most plant parts

Common exposure symptoms include gastrointestinal distress and potential photosensitive dermatitis

FAQ

Is Bergamot Orange toxic to Humans?

No confirmed severe systemic toxicity reported, but direct contact with sap or concentrated essential oil may trigger photosensitive dermatitis in sensitive individuals (Low)

Is Bergamot Orange toxic to Cats?

Vomiting, diarrhea, lethargy/depression, potential photosensitive dermatitis with UV exposure (Moderate)

Is Bergamot Orange toxic to Dogs?

Vomiting, diarrhea, lethargy/depression, potential photosensitive dermatitis with UV exposure (Moderate)

Is Bergamot Orange toxic to Horses?

Vomiting (equine reflux), diarrhea, lethargy/depression, potential photosensitive dermatitis with UV exposure (Moderate)

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Toxicity Details

Humans

Low

No confirmed severe systemic toxicity reported, but direct contact with sap or concentrated essential oil may trigger photosensitive dermatitis in sensitive individuals

Cats

Moderate

Vomiting, diarrhea, lethargy/depression, potential photosensitive dermatitis with UV exposure

Dogs

Moderate

Vomiting, diarrhea, lethargy/depression, potential photosensitive dermatitis with UV exposure

Horses

Moderate

Vomiting (equine reflux), diarrhea, lethargy/depression, potential photosensitive dermatitis with UV exposure

Toxicity Snapshot

Toxic PartsFruit peel, leaves, stems, and concentrated extracted essential oils

Exposure RouteIngestion of plant material, direct skin contact with sap/essential oils, inhalation of concentrated essential oil fumes

Toxic CompoundsEssential oils; Psoralens

First Aid & Prevention

First 30 Minutes

• Immediately move the exposed person/animal away from the plant to stop further exposure
• Rinse the mouth thoroughly with clean water if plant material was ingested; do not induce vomiting unless instructed by a professional
• Wash affected skin with mild soap and cool water for 10+ minutes if direct contact occurred

Contact Vet Immediately

• Persistent vomiting or diarrhea lasting over 2 hours post-exposure
• Visible lethargy, depression, or complete loss of appetite in pets/livestock
• Development of red, inflamed, or blistering skin lesions after exposure
• Ingestion of large quantities of plant material or concentrated bergamot essential oil

Prevention

• Store all Bergamot Orange plant parts and derived essential oils out of reach of pets, livestock, and small children
• Avoid applying undiluted bergamot essential oil to skin, and clean up spills immediately to prevent accidental animal exposure
• Wear protective gloves when handling raw Bergamot Orange plant material to reduce skin contact risk

Treatment & Prognosis

• Supportive fluid therapy to correct dehydration caused by vomiting and diarrhea
• Topical corticosteroid application to reduce inflammation from photosensitive dermatitis
• Symptomatic management of gastrointestinal distress as prescribed by a licensed veterinarian or medical provider

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Professional Toxicology

Scientific NameCitrus Aurantium

AliasesBergamot、Citrus bergamia

Toxicity Grade

HumansLow

CatsModerate

DogsModerate

HorsesModerate

Target Organs

Gastrointestinal tractSkinCentral nervous system

Mechanism of Action

• Essential oils irritate the gastrointestinal mucosal lining, triggering vomiting and diarrhea

• Psoralens interact with DNA on exposure to UV light, causing photosensitive reactions and skin cell damage

• High doses of absorbed toxic compounds may suppress central nervous system function, leading to depression and lethargy

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Small mammals (rabbits, guinea pigs, hamsters): Low to moderate toxicity risk, ingestion may cause gastrointestinal irritation, appetite loss, and lethargy

Pet birds: High sensitivity to concentrated essential oil fumes; inhalation may cause severe respiratory distress or organ damage

Confusion Risk

The following plants look similar and may be confused:

Bitter Orange Citrus × aurantium

Both are closely related Citrus aurantium variants with similar leaf structure; Bergamot has a distinct pear-shaped yellow fruit and stronger aromatic scent, while bitter orange has round, sour fruit

Kaffir Lime Citrus hystrix

Both are aromatic Rutaceae family citrus plants; Kaffir lime is distinguishable by its unique double-lobed leaves and small, bumpy green fruit, unlike Bergamot's smooth, pear-shaped fruit

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Related Toxic Plants

Common Lemon

Citrus limon

Low to moderate toxicity for cats, dogs, and horses

Grapefruit

Citrus × paradisi

Moderate toxicity for pets, with additional risk of adverse drug interactions in dogs

Orange Jessamine

Murraya paniculata

Low to moderate toxicity, causing gastrointestinal upset if ingested by pets and livestock

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Data Sources

1. ASPCA Animal Poison Control

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.