Pinpoint pupil is seen in:
Ans: b (Opium poisoning) Ref: Reddy, 21st ed,p. 506Pupil is typically pin point in opium poisoning. Pupil is constricted in organophosphorous poisoning also but it is not typically pin point.Causes of constricted pupilCauses of dilated pupil1. Organophosphorous1. Acute alcohol ingestion2. Opium2. Dhatura3. Formaldehyde3. Atropine4. Alcoholic coma4. Barbiturate poisoning (Late stage)5. Carbamate5. Organochlorine(Endrin)6. Phenol
Organophosphorous poisoning
Opium poisoning
Dhatura poisoning
Barbiturate poisoning
Toxicology