African plantain Toxic?

Updated 2026-03-06| 2 min read| 2,682 found this helpful
African plantain
1

Classified as low toxicity, with the entire plant containing small amounts of the iridoid glycoside aucubin

2

Aucubin ingestion may cause gastrointestinal inflammation, inhibited digestion, diarrhea, and colic

3

Aucubin is inactive in dried hay, and <10% Plantago content in livestock feed is considered safe

FAQ

Is African plantain toxic to Humans?

Gastrointestinal inflammation, inhibited digestion, diarrhea, abdominal pain/colic (Low)

Is African plantain toxic to Cats?

No species-specific toxicity data available; may cause mild gastrointestinal upset including diarrhea if large amounts are ingested (Low)

Is African plantain toxic to Dogs?

No species-specific toxicity data available; may cause mild gastrointestinal upset including diarrhea if large amounts are ingested (Low)

Is African plantain toxic to Horses?

Gastrointestinal inflammation, inhibited digestion, diarrhea, colic; small amounts in hay are non-toxic (Low)

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Toxicity Details

Humans
Low

Gastrointestinal inflammation, inhibited digestion, diarrhea, abdominal pain/colic

Cats
Low

No species-specific toxicity data available; may cause mild gastrointestinal upset including diarrhea if large amounts are ingested

Dogs
Low

No species-specific toxicity data available; may cause mild gastrointestinal upset including diarrhea if large amounts are ingested

Horses
Low

Gastrointestinal inflammation, inhibited digestion, diarrhea, colic; small amounts in hay are non-toxic

Toxicity Snapshot

Toxic PartsEntire fresh plant
Exposure RouteIngestion is the primary exposure route; skin contact with fresh plant sap may cause mild irritation in sensitive individuals
Toxic CompoundsAucubin (iridoid glycoside, present in small amounts; inactive in dried hay)

First Aid & Prevention

First 30 Minutes

  • • Induce vomiting only if ingestion occurred within 15 minutes and the individual is conscious and not experiencing convulsions
  • • Rinse the mouth thoroughly with clean water to remove remaining plant matter
  • • Offer small sips of clean water to dilute gastrointestinal irritants if no vomiting is present

Contact Vet Immediately

  • • If severe diarrhea, persistent colic, or gastrointestinal distress lasts longer than 24 hours post-ingestion
  • • If a large quantity of fresh plant material was ingested by children, pets, or livestock
  • • If allergic reactions such as skin rashes, swelling, or breathing difficulty develop after exposure

Prevention

  • • Avoid allowing unsupervised children and pets to graze on unknown wild Plantago species
  • • Verify livestock feed and hay composition to ensure Plantago content is within safe <10% limits
  • • Confirm accurate species identification before using any Plantago species for medicinal or culinary purposes

Treatment & Prognosis

  • • Administer gastrointestinal decontamination (e.g. activated charcoal) for recent large ingestions as clinically indicated
  • • Provide symptomatic care including anti-diarrheal medication, fluid therapy, and colic pain relief as needed
  • • Monitor gastrointestinal function and vital signs until all symptoms resolve completely
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Professional Toxicology

Scientific NamePlantago afra L. (synonyms: Psyllium afrum (L.) Mirb., Plantago psyllium L.)
AliasesGlandular plantain、Psyllion、Flea seed plantain、Fleawort
Toxicity Grade
HumansLow
CatsLow
DogsLow
HorsesLow
Target Organs
Gastrointestinal tract (stomach, small and large intestines)
Mechanism of Action

• Aucubin, the primary active irritant, irritates the gastrointestinal mucosa, causing inflammation, disrupted digestive function, and associated gastrointestinal symptoms

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Livestock (cattle, sheep, goats): Low risk when Plantago content in feed is <10%; aucubin is inactive in dried hay, so hay with small amounts of this plant is safe for consumption
Small pet mammals (rabbits, guinea pigs): No species-specific data available; ingestion of large quantities of fresh plant material may cause mild diarrhea and gastrointestinal distress
Confusion Risk

The following plants look similar and may be confused:

Other Plantago species (e.g. ribwort plantain) Plantago spp. (e.g. Plantago lanceolata)
Most Plantago species have very similar leaf and inflorescence morphology, and nearly all common species are also classified as slightly toxic, making accurate identification critical for safe use
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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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