PlantFunBroad-leaved dock Toxic?
The entire plant is toxic even when processed into dried fodder, with oxalates as its primary harmful compound
Sheep and horses are particularly sensitive to its toxins, while cattle can develop tolerance with gradual low exposure
Severe large-dose ingestion may cause cardiac arrhythmia, kidney failure, anemia and even fatal outcomes in vulnerable species
FAQ
Is Broad-leaved dock toxic to Humans?
Oral ingestion may cause vomiting, bloody diarrhea, abdominal pain, muscle tremors and kidney irritation in humans (Low)
Is Broad-leaved dock toxic to Cats?
No species-specific data recorded; expected symptoms include vomiting, diarrhea and abdominal discomfort if ingested (Low)
Is Broad-leaved dock toxic to Dogs?
No species-specific data recorded; expected symptoms include vomiting, diarrhea and abdominal discomfort if ingested (Low)
Is Broad-leaved dock toxic to Horses?
Vomiting, bloody diarrhea, colic, cardiac arrhythmia, hypotension, tremors, paralysis, blood in urine, lack of urine output, anemia and cachexia; fatal cases are possible (Low)
Toxicity Details
Oral ingestion may cause vomiting, bloody diarrhea, abdominal pain, muscle tremors and kidney irritation in humans
No species-specific data recorded; expected symptoms include vomiting, diarrhea and abdominal discomfort if ingested
No species-specific data recorded; expected symptoms include vomiting, diarrhea and abdominal discomfort if ingested
Vomiting, bloody diarrhea, colic, cardiac arrhythmia, hypotension, tremors, paralysis, blood in urine, lack of urine output, anemia and cachexia; fatal cases are possible
Toxicity Snapshot
First Aid & Prevention
First 30 Minutes
- • Administer oral calcium (e.g. calcium gluconate solution) to conscious patients to precipitate toxic oxalates
- • Induce vomiting only if ingestion occurred within 2 hours and the patient has no seizures/respiratory distress
- • Rinse the patient's mouth thoroughly to remove all remaining plant residue
Contact Vet Immediately
- • Patient exhibits bloody diarrhea, colic, seizures, paralysis or difficulty breathing
- • Large quantities of the plant are ingested by sensitive species (horses, sheep) or small companion animals
- • Patient shows signs of reduced urine output or blood in urine post-ingestion
Prevention
- • Remove all broad-leaved dock plants from pastures, fodder stores and areas accessible to pets and livestock
- • Avoid feeding hay or fodder contaminated with this species to sensitive animals (horses, sheep)
- • Train livestock owners and pet caregivers to recognize the plant to prevent accidental ingestion
Treatment & Prognosis
- • Administer calcium via stomach tube to precipitate oxalates in the gastrointestinal tract
- • Perform gastrointestinal decontamination (e.g. activated charcoal) as clinically appropriate
- • Provide symptomatic supportive care including pain relievers, fluid therapy for kidney support, and antihistamines if needed
- • Monitor cardiac function, urine output and complete blood count for at least 72 hours post-exposure
Professional Toxicology
• Soluble oxalates bind to circulating calcium, causing hypocalcemia and calcium oxalate crystal formation that damages kidney tubules
• Anthracene and naphthalene derivatives irritate the gastrointestinal mucosa and disrupt neurological and cardiac function
• Accumulated nitrates may reduce blood oxygen transport capacity in severe exposure cases
Information from CliniTox veterinary text.
The following plants look similar and may be confused:
Related Toxic Plants
Download PlantFun App
Identify, grow and care for plants effectively!
Instant Plant ID
Take a photo to quickly identify plants.
Smart Care Reminders
Generate watering and care schedules.
Toxicity & Disease Diagnosis
Identify toxic plants and pests with treatment advice.
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.