Atropa belladonna, or deadly nightshade, has a long ... belldonna may be used to treat: Eye doctors may use belladonna drops to aid in pupil dilation for exams. It’s also been used as an ...

Deadly nightshade, or belladonna nightshade, is an extremely toxic plant with a murky history. All parts of are poisonous, including the roots, leaves and especially the glossy black berries ...