Brunfelsia Toxic?

Updated 2026-03-06| 2 min read| 3,607 found this helpful
Brunfelsia latiflora (Pohl) Benth.
1

All plant parts are toxic, with berries being the most toxic component.

2

Symptoms appear 15-18 hours post-ingestion, ranging from mild ataxia to life-threatening, treatment-resistant seizures lasting over 48 hours.

3

No specific antidote exists; care relies on decontamination and symptomatic supportive treatment.

FAQ

Is Brunfelsia toxic to Humans?

No confirmed human poisoning cases documented, but ingestion is expected to cause similar gastrointestinal and neurological symptoms as observed in animals. (High)

Is Brunfelsia toxic to Cats?

No species-specific cat toxicity data available, but the plant is suspected to be highly toxic for cats. (High)

Is Brunfelsia toxic to Dogs?

Salivation, oronasal irritation, vomiting, bloody or non-bloody diarrhea, anxiety, depression, ataxia, muscle tremor, hyperthermia, central seizures, nystagmus, opisthotonus; confirmed poisoning cases reported in 4 dogs. (High)

Is Brunfelsia toxic to Horses?

No species-specific horse toxicity data available, but the plant is suspected to be highly toxic for horses. (High)

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Toxicity Details

Humans
High

No confirmed human poisoning cases documented, but ingestion is expected to cause similar gastrointestinal and neurological symptoms as observed in animals.

Cats
High

No species-specific cat toxicity data available, but the plant is suspected to be highly toxic for cats.

Dogs
High

Salivation, oronasal irritation, vomiting, bloody or non-bloody diarrhea, anxiety, depression, ataxia, muscle tremor, hyperthermia, central seizures, nystagmus, opisthotonus; confirmed poisoning cases reported in 4 dogs.

Horses
High

No species-specific horse toxicity data available, but the plant is suspected to be highly toxic for horses.

Toxicity Snapshot

Toxic PartsEntire plant, especially berries
Exposure RouteIngestion is the primary exposure route; mucous membrane contact may cause local irritation
Toxic CompoundsPyrrol-3-carboxamide (pyrrol alkaloid)

First Aid & Prevention

First 30 Minutes

  • • Remove all remaining plant material from the mouth, skin, or fur of the exposed individual/animal.
  • • If ingestion was within 1 hour and the patient is conscious and not seizing, induce vomiting and administer activated charcoal to reduce toxin absorption.
  • • Closely monitor for early signs of salivation, unusual behavior, or tremors while seeking emergency care.

Contact Vet Immediately

  • • Any confirmed or suspected ingestion of Brunfelsia plant material, even if no symptoms are present.
  • • Observation of symptoms including vomiting, diarrhea, ataxia, tremors, or seizures after potential exposure.
  • • Unusual lethargy, anxiety, or seizures in pets with access to Brunfelsia plants.

Prevention

  • • Keep Brunfelsia plants out of reach of children, pets, and livestock in areas where they are cultivated.
  • • Clearly label Brunfelsia plants to avoid accidental ingestion by foraging animals or people mistaking them for non-toxic species.
  • • Dispose of pruned Brunfelsia material securely to prevent access by curious pets or livestock.

Treatment & Prognosis

  • • Gastrointestinal decontamination via emesis, activated charcoal, or gastric lavage for recent exposures.
  • • Administer IV fluids (e.g. Ringer's lactate) to maintain hydration and support organ function.
  • • Control seizures with anticonvulsants such as diazepam or phenobarbital as required.
  • • Provide additional supportive care including antiemetics, temperature regulation, and antibiotics if secondary infection is suspected.
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Professional Toxicology

Scientific NameBrunfelsia latiflora (Pohl) Benth.
AliasesFranciscea latifolia Pohl
Toxicity Grade
HumansHigh
CatsHigh
DogsHigh
HorsesHigh
Target Organs
Central nervous systemGastrointestinal tract
Mechanism of Action

• Pyrrol-3-carboxamide alkaloid interferes with serotonin regulation in the body

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Dog: Confirmed poisoning cases documented; ingestion can cause symptoms ranging from mild ataxia to prolonged, treatment-resistant seizures lasting over 48 hours.
Cat: No confirmed poisoning cases on record, but the plant is expected to cause similar severe symptoms as seen in dogs if ingested.
Horse: No confirmed poisoning cases on record, but the plant is expected to be highly toxic if ingested by equines.
Confusion Risk

The following plants look similar and may be confused:

Other Brunfelsia species Brunfelsia spp.
All Brunfelsia species have nearly identical morphological traits and comparable high toxicity, making differentiation between species difficult.
Busy Lizzie Impatiens walleriana
Visually similar in growth habit to smaller Brunfelsia varieties; Impatiens walleriana has far lower toxicity, so misidentification can lead to inappropriate risk assessment.
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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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