A patient was brought with a history of pyrexia, contracted pupils, hypotension, cyanosis, progressing to coma is suspected to be suffering from poisoning due to

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