Love-in-a-mist contains the toxin damascenine, which attacks the liver and nervous system when ingested. All parts of love-in-a-mist, especially the seeds, are toxic and can cause severe illness in dogs, cats, and humans, including vomiting, diarrhea, liver inflammation, convulsions, and potentially coma or death. Immediate veterinary care is crucial if pets ingest love-in-a-mist.