A farmer was brought to the casualty with restlessness & agitation. Examination shows temp. 103° F, flushed face, pupils dilated and fixed. The diagnosis is -
Among the given options, only datura causes dilatation of pupil. All the other features given in question are also seen in datura poisoning.
Datura poisoning
Organophosphorus poisoning
Diazepam poisoning
Opium poisoning