Differential Diagnosis For Miosis/narrow pupils

List of current finding(s):

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  Miosis/narrow pupils

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Trauma Causes

Cornea injury/abrasion

Brain stem injury

Infectious Disorders (Specific Agent)

Encephalitis, viral

Keratitis, dendritic

Keratoconjunctivitis, herpetic

Syphilis

General paresis/CNS syphilis dementia

Syphilis, meningovascular

Tabes dorsalis

Neoplastic Disorders

Neuroblastoma

Allergic, Collagen, Auto-Immune Disorders

Iritis

Uveitis

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

Drugs

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)

Synonyms

Constricted pupil, Constricted pupil (finding), Constricted pupils, Miosis, Miotic pupil, Pupil constriction, Pupil constriction (observable entity), Pupil constriction observed, Pupils constricted, Small pupil

Definition

"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)

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External Links Related to Miosis/narrow pupils

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Images

PubMed (National Library of Medicine)

NGC (National Guideline Clearinghouse)

Medscape (eMedicine)

Harrison's Online (accessmedicine)

NEJM (The New England Journal of Medicine)