Ground ivy Toxic?

Updated 2026-03-06| 5 min read| 3,185 found this helpful
Ground ivy
1

Ground ivy is highly toxic to horses, potentially causing fatal symptoms if ingested in large quantities

2

The toxic bitter compound in the plant loses its potency only after at least 3 months in dry feed

3

Cattle and sheep can tolerate large intake of the plant with no obvious symptoms

FAQ

Is Ground ivy toxic to Humans?

Not provided (Unknown)

Is Ground ivy toxic to Cats?

Not provided (Low)

Is Ground ivy toxic to Dogs?

Not provided (Low)

Is Ground ivy toxic to Horses?

Mydriasis, sweating, tremors, dyspnea, tachypnea, mucus discharge from mouth, reddish-yellow foam from nose, rattling breathing, cough, tachycardia with weak pulse, cyanotic mucous membranes, hyperthermia, anorexia, lymphocytosis, possible death after ingesting large amounts (High)

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Toxicity Details

Humans
Unknown

Not provided

Cats
Low

Not provided

Dogs
Low

Not provided

Horses
High

Mydriasis, sweating, tremors, dyspnea, tachypnea, mucus discharge from mouth, reddish-yellow foam from nose, rattling breathing, cough, tachycardia with weak pulse, cyanotic mucous membranes, hyperthermia, anorexia, lymphocytosis, possible death after ingesting large amounts

Toxicity Snapshot

Toxic PartsWhole plant
Exposure RouteIngestion
Toxic CompoundsEssential oil; Tannins; Glechomin (unexplored bitter substance); Choline; Marrubiin (diterpene)

First Aid & Prevention

First 30 Minutes

  • • Stop feeding feed that contains ground ivy immediately
  • • Induce vomiting if ingestion occurred within 2 hours for non-equine animals
  • • Move the affected animal to a quiet, well-ventilated area

Contact Vet Immediately

  • • Any amount of ground ivy is ingested by a horse
  • • Abnormal symptoms like breathing difficulty, tremors or abnormal discharge appear after ingestion
  • • Large amount of the plant is ingested by any animal

Prevention

  • • Avoid adding ground ivy to animal feed, especially feed for horses
  • • Ensure dry feed is stored for at least 3 months before feeding to horses to reduce toxic potency
  • • Regularly inspect grazing areas to remove ground ivy growth

Treatment & Prognosis

  • • Carry out decontamination procedures
  • • Provide symptomatic therapy following emergency treatment guidelines
  • • Change to a completely new feed
  • • Perform veterinary pathological monitoring as required
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Professional Toxicology

Scientific NameGlechoma hederacea L.s.l.
AliasesCreepin charlie、Gill-over-the-ground、Gundelrebe、Gundermann、Erd-Epheu、Udram、Lierre terrestre、Lierre、Herbe de Saint Jean、Edera terrestre
Toxicity Grade
HumansUnknown
CatsLow
DogsLow
HorsesHigh
Target Organs
Not provided
Mechanism of Action

• Not provided

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Cattle: Can tolerate large amounts of ingestion without any symptoms
Sheep: Can tolerate large amounts of ingestion without any symptoms
Confusion Risk

The following plants look similar and may be confused:

Creeping bugle Ajuga reptans
Visually similar to ground ivy; has high tannin content, only suitable as forage in small quantities
Spotted dead-nettle Lamium maculatum
Visually similar to ground ivy; generally not eaten by animals
Common self-heal Prunella vulgaris
Visually similar to ground ivy; contains special bitter substances and tannins, safe for consumption in small amounts
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Related Toxic Plants

American pennyroyal
Hedeoma pulegioides
High toxicity
White horehound
White horehound
Marrubium vulgare
Low toxicity
Jerusalem sage
Phlomis fruticosa
Low to moderate toxicity

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Data Sources

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

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