Cilantro Toxic?

Updated 2026-03-06| 2 min read| 2,303 found this helpful

Cilantro is non-toxic to humans, cats, dogs, and horses, and is safe to ingest in typical culinary amounts.

The primary risk associated with cilantro comes from misidentification with visually similar highly toxic Apiaceae family plants.

No specific treatment is needed for confirmed cilantro ingestion, but seek care if adverse reactions from allergies or contamination occur.

FAQ

Is Cilantro toxic to Humans?

No expected toxic symptoms; rare mild allergic reactions are possible in sensitive individuals. (Non-toxic)

Is Cilantro toxic to Cats?

No expected toxic symptoms; mild gastrointestinal upset may occur only if extremely large quantities are ingested. (Non-toxic)

Is Cilantro toxic to Dogs?

No expected toxic symptoms; mild gastrointestinal upset may occur only if extremely large quantities are ingested. (Non-toxic)

Is Cilantro toxic to Horses?

No expected toxic symptoms; mild gastrointestinal upset may occur only if extremely large quantities are ingested. (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No expected toxic symptoms; rare mild allergic reactions are possible in sensitive individuals.

Cats

Non-toxic

No expected toxic symptoms; mild gastrointestinal upset may occur only if extremely large quantities are ingested.

Dogs

Non-toxic

No expected toxic symptoms; mild gastrointestinal upset may occur only if extremely large quantities are ingested.

Horses

Non-toxic

No expected toxic symptoms; mild gastrointestinal upset may occur only if extremely large quantities are ingested.

Toxicity Snapshot

Toxic PartsNo toxic parts; the entire plant is safe for culinary use when correctly identified.

Exposure RouteIngestion, skin contact; no toxic exposure risk from normal handling or consumption.

Toxic CompoundsNo known toxic compounds; contains beneficial antioxidants, vitamins, and aromatic essential oils typical of culinary Apiaceae herbs

First Aid & Prevention

First 30 Minutes

• Rinse mouth with clean water immediately if a suspected toxic misidentified plant was ingested instead of cilantro.
• Collect any remaining plant material for accurate identification by a professional.
• Monitor for unusual symptoms like nausea, dizziness, or breathing difficulty if misidentification is suspected.

Contact Vet Immediately

• Your pet has ingested a plant you suspect is a toxic cilantro lookalike
• Your pet exhibits persistent vomiting, diarrhea, or neurological symptoms after plant ingestion
• Your pet has a known allergy to Apiaceae family herbs and ingested cilantro

Prevention

• Learn to accurately identify cilantro and its common toxic lookalike species before foraging wild specimens
• Store purchased cilantro away from any toxic household plants to avoid accidental mix-ups
• Introduce small amounts of new herbs including cilantro to pet diets gradually to monitor for sensitivity

Treatment & Prognosis

• No specific treatment is required for confirmed cilantro ingestion
• Provide supportive care (fluids, rest) for mild gastrointestinal upset if very large amounts are consumed
• Administer antihistamines or allergy treatment as directed by a medical/vet professional for allergic reactions

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Professional Toxicology

Scientific NameCoriandrum sativum

AliasesCoriander、Chinese Parsley、Dhania、Koriander、Coriandre cultivée、Coriandolo comune

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No target organs for toxicity; no organ damage expected from normal cilantro consumption

Mechanism of Action

• No toxic mechanism identified; the plant does not contain compounds that cause adverse effects in humans or common domestic animals at normal intake levels

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Small mammals (rabbits, guinea pigs): Non-toxic in small amounts; excessive feeding may cause mild digestive upset

Birds: Non-toxic; can be offered as an occasional treat in small quantities

Ruminants (cattle, sheep, goats): Non-toxic when consumed as part of normal forage; no adverse effects reported

Confusion Risk

The following plants look similar and may be confused:

Fool's parsley Aethusa cynapium

Visually similar to cilantro; key difference is Fool's parsley has shiny, hairless lower leaves and an unpleasant garlicky odor when crushed, while cilantro has a distinct citrusy, herbaceous scent. This plant is toxic.

Wild celery Apium graveolens

Visually similar to cilantro; key difference is wild celery has thicker, ridged stems and a strong celery scent, while cilantro has slender green stems and a distinct cilantro aroma. This plant is non-toxic.

Wild bifora Bifora radians

Visually similar to cilantro in foliage; key difference is wild bifora produces small, spherical ridged fruits, while cilantro produces round, pale brown seeds. This plant is non-toxic.

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Data Sources

1. ASPCA Animal Poison Control

2. CliniTox (Universität Zürich)

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