<prompt> A patient was brought with a history of pyrexia, contracted pupils, hypotension, cyanosis, progressing to coma is suspected to be suffering from poisoning due toDiphenhydramineCannabisDhaturaPhenobarbitone  <response>: Pyrexia contracted pupils Phenobarbitone poisoning Pyrexia dilated pupils Datura poisoning Constriction of the pupils miosis is typical of opioids, clonidine, phenothiazines, and cholinesterase inhibitors eg, organophosphate insecticides, and deep coma due to sedative drugs.Phenobarbitone Ref: Krishan Vij textbook of forensic medicine, 5th edition pg : 508 