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Differential Diagnosis For Miosis/narrow pupils


List of current finding(s):

Trauma Causes
Cornea injury/abrasion
Brain stem injury
Infectious Disorders (Specific Agent)
Encephalitis, viral
Keratitis, dendritic
Keratoconjunctivitis, herpetic
General paresis/CNS syphilis dementia
Syphilis, meningovascular
Tabes dorsalis
Neoplastic Disorders
Allergic, Collagen, Auto-Immune Disorders
Eaton-Lambert syndrome
Biochemical Disorders
Metabolic encephalopathy
Congenital, Developmental Disorders
Ataxia Congenital Miosis Syndrome
Hereditary, Familial, Genetic Disorders
Oculocerebrorenal dystrophy/Lowe syndrome
Anatomic, Foreign Body, Structural Disorders
Corneal ulcer
Brain stem hemorrhage
Brain stem herniation/peduncle/tonsils
Corneal ulcer, central
Arteriosclerotic, Vascular, Venous Disorders
Brain stem infarct
Cavernous sinus thrombosis
Vegetative, Autonomic, Endocrine Disorders
Tonic pupil syndrome (Adie)
Reference to Organ System
Horner's syndrome
Argyl Robinson pupil lesion
Barbiturate overdose
Sympatholytic toxidrome/syndrome
Clonidine (Catapres) Administration/Toxicity
Fentanyl (Sublimaze/Duragesic) Administration/Toxicity
Meperidine (Demerol) Administration/Toxicity
Morphine (MS Contin/MS IR/Avinza) Administration/Toxicity
Muscarinic/parasympathetic stimulation
Opiate/narcotic addiction/iatrogenic
Opiates/Narcotics Administration/Toxicity
Physostigmine (Eserine/Antlirium) Administration/Toxicity
Carbachol (Isopto carbachol) opthalmic topical
Meprobamate (Equanil/Miltown) Administration/Toxicity
Miotic ophthalmic application
Pilocarpine (E-Pilo) ophthalmic
Dependence, opiate (narcotic) type
Propoxyphene (Darvon) overdose
Nutmeg/mace herbal/intake
Poisoning (Specific Agent)
Opiate overdose toxidrome
Chlordane exposure/poisoning
Cholinergic crisis toxidrome
Insecticide/organophosphate type
Intravenous/narcotic overdose
Muscarinic Cholinergic Toxidrome/syndrome
Phencyclidine (Angel dust) intoxication
Heroin/morphine usage/addiction
Insecticide/pesticide poisoning
Mushroom poisoning/all types
Mushroom/Fly agaric/Pantherina/Muscarin
Nerve gas exposure
Pilocarpus herbal/ toxicity
Sarin poison nerve gas exposure
Soman poison nerve gas exposure
Tabun poison gas exposure
TEPP/Tetraethyl pyrophosphate poisoning
VX poison nerve gas exposure
Cholinesterase inhibitor poison/exposure
Carfentanyl gas/aerosol poisoning
Amanita muscarina/atropinoid toxicity (fly agaric)
CBW/Binary nerve agents (GB2/VX2)
Constricted pupil, Constricted pupil (finding), Constricted pupils, Miosis, Miotic pupil, Pupil constriction, Pupil constriction (observable entity), Pupil constriction observed, Pupils constricted, Small pupil

"Pin point pupils", 1-2mm in diameter;numerous etiologies/causes;suggests altered normal CNS function at brainstem level;prognosis varies from benign to life threatening;also local certain drug effects (opiates)


External Links Related to Miosis/narrow pupils
PubMed (National Library of Medicine)
NGC (National Guideline Clearinghouse)
Medscape (eMedicine)
Harrison's Online (accessmedicine)
NEJM (The New England Journal of Medicine)