You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Pupillary dilatation is seen in which of the following drug abuse ? and explain in detail?
ATROPA BELLADONNA AND HYOSCYAMUS NIGER: Atropa belladonna/ deadly nightshade is a plant of Europe and Asia. All pas are toxic The active principle is - hyoscyamine. This group of compounds acts by inhibiting the muscarine effects of acetylcholine. Mydriatic Test: A drop of the solution to be tested is put into the eyes of a cat. The pupils dilate within half hour if datura is present, due to the presence of atropine. Drugs causing dilatation of pupils: Datura, Atropine, Belladonna, Cannabis, Cocaine, Alcohol