Sand plantain Toxic?

Updated 2026-03-06| 4 min read| 2,033 found this helpful

Contains low levels of aucubin as its primary toxic compound, which is no longer active in dried hay.

Ingestion can cause gastrointestinal irritation, digestive disruption, diarrhea, and colic in animals.

Up to 10% Plantago lanceolata content in forage is considered safe and beneficial for livestock.

FAQ

Is Sand plantain toxic to Humans?

No specific human toxicity data reported; accidental large ingestion may cause mild gastrointestinal upset including diarrhea and abdominal cramping. (Low)

Is Sand plantain toxic to Cats?

No species-specific toxicity data documented; ingestion may lead to mild gastrointestinal inflammation, loose stools, and abdominal discomfort. (Low)

Is Sand plantain toxic to Dogs?

No species-specific toxicity data documented; ingestion may lead to mild gastrointestinal inflammation, loose stools, and abdominal discomfort. (Low)

Is Sand plantain toxic to Horses?

No species-specific toxicity data documented; ingestion may lead to gastrointestinal inflammation, diarrhea, and colic consistent with general livestock observations. (Low)

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Toxicity Details

Humans

Low

No specific human toxicity data reported; accidental large ingestion may cause mild gastrointestinal upset including diarrhea and abdominal cramping.

Cats

Low

No species-specific toxicity data documented; ingestion may lead to mild gastrointestinal inflammation, loose stools, and abdominal discomfort.

Dogs

Low

No species-specific toxicity data documented; ingestion may lead to mild gastrointestinal inflammation, loose stools, and abdominal discomfort.

Horses

Low

No species-specific toxicity data documented; ingestion may lead to gastrointestinal inflammation, diarrhea, and colic consistent with general livestock observations.

Toxicity Snapshot

Toxic PartsWhole plant

Exposure RouteIngestion of fresh plant material is the primary exposure route

Toxic CompoundsAucubin (iridoid glycoside, present in low concentrations, inactive in dried hay)

First Aid & Prevention

First 30 Minutes

• Remove any remaining plant material from the mouth of the affected individual (human or animal) immediately.
• Do not induce vomiting unless explicitly instructed to do so by a doctor or veterinarian.
• Offer small amounts of clean water to dilute irritants if the affected individual is alert and able to swallow.

Contact Vet Immediately

• If the affected animal exhibits persistent diarrhea, abdominal pain, or signs of colic after ingestion.
• If a large volume of fresh plant material was consumed by a pet or grazing livestock.
• If symptoms do not improve within 2-3 hours of ingestion or worsen over time.

Prevention

• Avoid grazing livestock in pastures with high concentrations of this Plantago species.
• Ensure forage mixtures do not contain more than 10% Plantago species to maintain safety for livestock.
• Keep wild or cultivated specimens of this plant out of reach of household pets to prevent accidental ingestion.

Treatment & Prognosis

• Perform appropriate gastrointestinal decontamination based on ingestion volume and time elapsed since exposure.
• Administer symptomatic care including fluid replacement and anti-diarrheal medication as clinically indicated.
• Monitor patients closely for signs of gastrointestinal distress and colic until symptoms fully resolve.

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Professional Toxicology

Scientific NamePlantago arenaria Waldst. & Kit.

AliasesBranched plantain、African plantain、Black psyllium、Dark psyllium、Flea-seed plant、Fleawort、French psyllium、Glandular plantain、Plantago indica L.、Plantago psyllium L.、Plantago ramosa Asch.、Sand-Wegerich、Flohkraut、Flohsamen、Flohsamen-Wegerich、Sand-Flohkraut、Plantain des sables、Herbe aux puces、Pilicaire、Plantain africain、Piantaggine ramosa、Psillo

Toxicity Grade

HumansLow

CatsLow

DogsLow

HorsesLow

Target Organs

Gastrointestinal tract (stomach, small intestine, large intestine)

Mechanism of Action

• Aucubin, the primary toxic compound, triggers inflammation of the gastrointestinal tract, suppresses digestive function, and causes irritation-related symptoms including diarrhea and colic.

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Livestock (cattle, sheep, goats): Low risk when ingested in small amounts; large quantities may cause gastrointestinal distress, colic, and diarrhea; 10% or lower Plantago lanceolata content in forage is considered safe and beneficial.

Confusion Risk

The following plants look similar and may be confused:

Other Plantago species Plantago spp.

Other Plantago species are visually similar and also classified as low toxicity; they can be distinguished by subtle differences in leaf shape, inflorescence structure, and seed morphology.

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Related Toxic Plants

Low to moderate toxicity

Ribwort plantain

Plantago lanceolata

Low toxicity (safe in concentrations up to 10% in forage)

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Data Sources

1. 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.