Cup of gold vine is highly toxic to humans, cats, and dogs. All parts of the plant are poisonous, causing symptoms such as gastrointestinal distress, neurological issues, and potentially life-threatening complications. Prompt veterinary care is crucial for pets, and preventing access to the plant is imperative to avoid accidental ingestion and severe health risks. The entire plant should be approached with caution to prevent poisoning. Cup of gold vine is highly toxic and ingestion can lead to symptoms like gastrointestinal distress, seizures, and serious complications.