Mustard Plant Toxicity

Nibbling on the mustard plant can make animals sick.

The members of the mustard family have a pungent odor. These plants produce flowers that are yellow, blue, purple and white. The mustard plant has been associated with symptoms of toxicity in animals, but it is generally safe for human use.

Human Potential

According to Drugs.com, the mustard plant is also known by the name black mustard, yellow mustard, white mustard, mustard, Indian mustard and true oriental mustard. Derivatives of this plant are used as flavoring for food, a diuretic and a topical treatment for inflammatory conditions. While mustard seed has been used both internally and externally, clinical data regarding its toxicity are lacking. Allergies to the mustard plant have caused rosea eruptions and anaphylaxis in humans.

Animal Potential

Purdue University states that all parts of the mustard plant are toxic to animals, especially the seeds. Plant poisoning symptoms most often affects poultry, cattle, sheep and horses. Symptoms associated with mustard plant ingestion in animals include irritation of the mouth, photo-sensitivity, difficulty breathing, vomiting, diarrhea and stomach upset. Adverse effects most commonly appear with the consumption of large amounts of the plant.

Prevention/Solution

Avoid feeding animals hay produced from mustard plants. There is no antidote for mustard plant poisoning and animals that do not recover after mustard feed is removed should visit their veterinarian. Humans that have adverse effects from mustard plant or its derivatives should contact their doctor for an evaluation. Take a sample of the plant to the doctor or veterinarian for plant identification.

References

• Purdue University: Mustard Family
• Drugs: Complete Mustard Information