Pupillary dilatation is seen in which of the following drug abuse ?
Correct Answer: Belladona
Description: 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
Category:
Forensic Medicine
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