Golden angel's trumpet possesses moderate toxicity to humans, cats, and dogs. Symptoms include visual and auditory hallucinations, dry mouth, muscle weakness, increased blood pressure and heart rate, fever, dilated pupils, confusion, and seizures in humans. Cats and dogs may experience gastrointestinal upset, confusion, muscular weakness, and severe neurological signs upon ingestion. Immediate medical or veterinary care is advised for any accidental consumption. (The seeds are especially toxic.)