Confusion causes

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];

Overview

List of all conditions which cause confusion.

Causes

By organ system

Cardiovascular	Aorta-pulmonary artery fistula , Postoperative haemorrhage , Shock , Sick sinus syndrome
Chemical / poisoning	24-Dinitrotoluene , 44-Methylenebis , 4-Aminopyridine , Acetylsalicylic Acid , Acrylamide , Acute Pesticide poisoning, Adiponitrile , Aldicarb , Aniline , Azinphos-methyl , Baneberry poisoning , Boric Acid , Box thorn poisoning , Bromethalin , Bromide , Bromophos , Butyl Alcohol , Camphor , Carbaryl , Carbon Tetrachloride , Chicken soup poisoning , Chlordane , Chloromethane , Chlorpyrifos , Christmas Cherry poisoning , Cocaine abuse , Cocaine addiction , Corn Lily poisoning , Coumaphos , Crack addiction , Cresols , Cresylic acid , Cyanogenic glycoside , Cyclohexanone , Daphne poisoning , DDD , DDT , Demeton-S-methyl , Devil's trumpet poisoning , Diazinon , Dibromochloromethane , Dichlorvos , Dicrotophos , Dieldrin , Diethylene Glycol , Digitalis glycoside, Dinitrocresol , Dioxathion , Disulfiram , Disulfoton , Ecstasy addiction , Endosulfan , Ethion , Ethylene Glycol Dinitrate , Fensulfothion , Fenthion , Foxglove poisoning , Gasoline , Glaze , Glycol Ether , Heroin dependence , High Melting Explosive (HMX) , Hydrazine , Hydroquinone, Hydroquinone , Isofenphos , Jet Fuel-4 , Jet Fuel-5 , Jimsonweed (Daturastramonium), Kentucky coffee tea poisoning , Kerosene , King Cobra poisoning , Lead poisoning , Lobeline, Lysergic Acid Diethylamide , Malathion , Marijuana abuse , Mercury poisoning, Methidathion , Methiocarb , Methomyl , Metobromuron , Monkshood poisoning , Morphine toxicity , Mustard tree poisoning , Naphthalene , Narcotic addiction , Nickel Carbonyl , Nitrobenzene , Nitroglycerin , Nitrophenol , Nitrophenol Urea , NN-Dimethyl-P-Toluidine , Oil-based paint , Oleander poisoning , Opioid toxicity , Oxycodone addiction , Parathion , Phencyclidine , Phosdrin , Phosphine , potato(Solanumtuberosum), Profenofos , Propane , Propoxur , Propylene Glycol Dinitrate , Snake bite , Terbufos , Tetrachloroethane , Tetraethyl Pyrophosphate , Thallium , Thallium poisoning , Thallium Sulfate , Thiram , Toluene , Trichlorfon , Zolpidem withdrawal
Dermatologic	No underlying causes
Drug Side Effect	Anticholinergic syndrome , Colchicine toxicity , Cope's syndrome , Dextromethorphan toxicity , Fentanyl toxicity , Impramine toxicity , Neuroleptic Malignant Syndrome , Phenytoin toxicity , Propanol , Serotonin Syndrome , Tolterodine toxicity , Tramadol toxicity
Ear Nose Throat	No underlying causes
Endocrine	Adrenal crisis , Cushing syndrome , Hashimoto's encephalitis , Hyperinsulinism, Hyperparathyroidism , Insulinoma , SIADH , WDHA syndrome
Environmental	Dysbarism , High altitude cerebral edema
Gastroenterologic	Cirrhosis of the liver, Crigler-Najjar syndrome type 1 , End Stage Liver Failure , Liver failure
Genetic	Congenital hepatic porphyria , Congenital nonhemolytic jaundice
Hematologic	Bing-Neel syndrome , Leukemia , Multiple Myeloma , Plasma cell leukemia, Thrombotic thrombocytopenic purpura
Iatrogenic	Hyperbaric oxygen
Infectious Disease	Acanthamoeba infection , Actinomycetales infection , Acute Bokhoror , Acute Disseminated Encephalomyelitis , African Sleeping sickness , Bolivian hemorrhagic fever , Brill-Zinsser disease , Bubonic plague , Cryptococcal Meningitis , Cryptococcosis , Cysticercosis , Ehrlichiosis , Epidemic typhus , Flea-borne diseases , Fungal meningitis , Granulomatous amebic encephalitis , HIV/AIDS , Legionnaires' disease , Listeriosis , Lymphocytic Choriomeningitis , Lysteria monocytoigeneses meningitis , Machupo virus , Malaria , Marburg virus , Measles Encephalitis , Melioidosis , Meningitis , Meningococcal disease , Naegleria , Neurocysticercosis , Neurosyphilis , Nipah virus encephalitis , Nocardiosis , Paratyphoid fever , Pediatric AIDS , Postoperative septicaemia , Primary amebic meningoencephalitis , Rabies , Rocky Mountain spotted fever , Tick-borne encephalitis , Toxemia , Toxic Shock Syndrome , Toxoplasmosis , Trypanosomiasis , Yellow fever , Waterhouse-Friderichsen syndrome
Musculoskeletal / Ortho	No underlying causes
Neurologic	Acute mountain sickness , Aging brain syndrome , Alzheimer disease , Anoxemia , Arbovirosis , Argentinean hemorrhagic fever , Basilar artery insufficiency syndrome , Benign astrocytoma , Berry aneurysm, Brain infection , Bristowe's syndrome , Central nervous system infections , Central nervous system lymphoma primary , Cerebellar abscess , Cerebral abscess , Classic migraine , Creutzfeldt-Jakob Disease , Disequilibrium syndrome , Grand mal epilepsy , Grand mal seizures , Leukoencephalopathy , Limbic encephalitis , Multi-Infarct Dementia , Prion diseases , Stroke , Subdural hematoma , Sundown syndrome , Transient Ischemic Attack , Uremic encephalopathy , Wernicke-Korsakoff syndrome , Wernicke's encephalopathy
Nutritional / Metabolic	Aceruloplasminemia , Acid-Base Imbalance , Acute liver failure , Alcohol drinking , Alcohol Withdrawal , Alcoholic Neuropathy , Azotemia familial , Burnett's milk drinker's syndrome , Carnitine transporter deficiency , Citrullinemia , Coenzyme Q cytochrome c reductase deficiency , Dehydration , Diabetic hypoglycemia , Diabetic Ketoacidosis , Dilutional hyponatremia , Dobriner syndrome , Folate deficiency, Graeck-Imerslund disease , Hyperglycemic Hyperosmolar Nonketotic Syndrome , Hypervitaminoses A and D , Hypoglycemia , Hypothermia , Hypovolemia , Inborn urea cycle disorder , Metabolic Acidosis , Metabolic encephalopathy , Milk-Alkali syndrome , N-acetyl glutamate synthetase deficiency , Nutritional deficiency , Ornithine transcarbamylase (OTC) Deficiency , Pellagra , Pyridoxine deficiency , Q fever , Respiratory acidosis , Respiratory alkalosis , Reye's Syndrome , Urea Cycle Disorders , Water Intoxication
Obstetric/Gynecologic	Acute fatty liver of pregnancy , Hyperemesis Gravidarum
Oncologic	No underlying causes
Opthalmologic	No underlying causes
Overdose / Toxicity	Alprazolam overdose , Appian-Plutarch syndrome , Darvocet overdose , Demerol overdose , Dexedrine overdose , Dilaudid overdose , Ecstasy overdose , Hydrocodone overdose , Lorazepam overdose , Lortab overdose , Methadone overdose , Methamphetamine overdose , Ritalin overdose , Vicodin overdose , Zolpidem overdose
Psychiatric	Brief Psychotic Disorder , Dissociative Amnesia , Dissociative disorder , Dissociative Identity Disorder , Nonaffective Psychosis , Schizoaffective disorder
Pulmonary	Postoperative respiratory failure , Respiratory depression
Renal / Electrolyte	Chronic renal insufficiency , End-stage renal disease , Hypercalcemia , Hypomagnesemia , Hyponatremia , Hypophosphatemia , Kidney failure
Rheum / Immune / Allergy	Antiphospholipid Syndrome , Autoimmune Hepatitis , Autoimmune limbic encephalitis , Neurosarcoidosis
Sexual	No underlying causes
Trauma	Concussion , Head injury , Traumatic Brain Injury
Urologic	No underlying causes
Dental	No underlying causes
Miscellaneous	No underlying causes

Alphabetical Order

• 24-Dinitrotoluene
• 44-Methylenebis
• 4-Aminopyridine
• Acanthamoeba infection
• Aceruloplasminemia
• Acetylsalicylic Acid
• Acid-Base Imbalance
• Acrylamide
• Actinomycetales infection
• Acute Bokhoror
• Acute Disseminated Encephalomyelitis
• Acute fatty liver of pregnancy
• Acute liver failure
• Acute mountain sickness
• Acute Pesticide poisoning
• Adiponitrile
• Adrenal crisis
• African Sleeping sickness
• Aging brain syndrome
• Alcohol drinking
• Alcohol Withdrawal
• Alcoholic Neuropathy
• Aldicarb
• Alprazolam overdose
• Alzheimer disease
• Aniline
• Anoxemia
• Anticholinergic syndrome
• Antiphospholipid Syndrome
• Aorta-pulmonary artery fistula
• Appian-Plutarch syndrome
• Arbovirosis
• Argentinean hemorrhagic fever
• Autoimmune Hepatitis
• Autoimmune limbic encephalitis
• Azinphos-methyl
• Azotemia familial
• Baneberry poisoning
• Basilar artery insufficiency syndrome
• Benign astrocytoma
• Berry aneurysm
• Bing-Neel syndrome
• Bolivian hemorrhagic fever
• Boric Acid
• Box thorn poisoning
• Brain infection
• Brief Psychotic Disorder
• Brill-Zinsser disease
• Bristowe's syndrome
• Bromethalin
• Bromide
• Bromophos
• Bubonic plague
• Burnett's milk drinker's syndrome
• Butyl Alcohol
• Camphor
• Carbaryl
• Carbon Tetrachloride
• Carcinomatous meningitis
• Carnitine transporter deficiency
• Central nervous system infections
• Central nervous system lymphoma primary
• Cerebellar abscess
• Cerebral abscess
• Chicken soup poisoning
• Chlordane
• Chloromethane
• Chlorpyrifos
• Christmas Cherry poisoning
• Chronic renal insufficiency
• Cirrhosis of the liver unresponsiveness
• Citrullinemia
• Classic migraine
• Cocaine abuse
• Cocaine addiction
• Coenzyme Q cytochrome c reductase deficiency
• Colchicine toxicity
• Concussion
• Congenital hepatic porphyria
• Congenital nonhemolytic jaundice
• Cope's syndrome
• Corn Lily poisoning
• Coumaphos
• Crack addiction
• Cresols
• Cresylic acid
• Creutzfeldt-Jakob Disease
• Crigler-Najjar syndrome type 1
• Cryptococcal Meningitis
• Cryptococcosis
• Cushing syndrome
• Cyanogenic glycoside
• Cyclohexanone
• Cysticercosis
• Daphne poisoning
• Darvocet overdose
• DDD
• DDT
• Dehydration
• Demerol overdose
• Demeton-S-methyl
• Devil's trumpet poisoning
• Dexedrine overdose
• Dextromethorphan toxicity
• Diabetic hypoglycemia
• Diabetic Ketoacidosis
• Diazinon
• Dibromochloromethane
• Dichlorvos
• Dicrotophos
• Dieldrin
• Diethylene Glycol
• Digitalis glycoside
• Dilaudid overdose
• Dilutional hyponatremia
• Dinitrocresol
• Dioxathion
• Disequilibrium syndrome
• Dissociative Amnesia
• Dissociative disorder
• Dissociative Identity Disorder
• Disulfiram
• Disulfoton
• Dobriner syndrome
• Dysbarism
• Ecstasy addiction
• Ecstasy overdose
• Ehrlichiosis
• End Stage Liver Failure
• Endosulfan
• End-stage renal disease
• Epidemic typhus
• Epidermoid carcinoma
• Ethion
• Ethylene Glycol Dinitrate
• Fensulfothion
• Fentanyl toxicity
• Fenthion
• Flea-borne diseases
• Folate deficiency
• Foxglove poisoning
• Fungal meningitis
• Gasoline
• Glaze
• Glycol Ether
• Graeck-Imerslund disease
• Grand mal epilepsy
• Grand mal seizures
• Granulomatous amebic encephalitis
• Hashimoto's encephalitis
• Head injury
• Heroin dependence
• High altitude cerebral edema
• High Melting Explosive (HMX)
• HIV/AIDS
• Hydrazine
• Hydrocodone overdose
• Hydroquinone
• Hydroquinone
• Hyperbaric oxygen
• Hypercalcemia
• Hyperemesis Gravidarum
• Hyperglycemic Hyperosmolar Nonketotic Syndrome
• Hyperinsulinism
• Hyperparathyroidism
• Hypervitaminoses A and D
• Hypoglycemia
• Hypomagnesemia primary
• Hyponatremia
• Hypophosphatemia
• Hypothermia
• Hypovolemia
• Impramine toxicity
• Inborn urea cycle disorder
• Insulinoma
• Isofenphos
• Jet Fuel-4
• Jet Fuel-5
• Jimsonweed (Daturastramonium)
• Kentucky coffee tea poisoning
• Kerosene
• Kidney failure
• King Cobra poisoning
• Lead poisoning
• Legionnaires' disease
• Leukemia
• Leukoencephalopathy
• Limbic encephalitis
• Listeriosis
• Liver failure
• Lobeline
• Lorazepam overdose
• Lortab overdose
• Lymphocytic Choriomeningitis
• Lysergic Acid Diethylamide
• Lysteria monocytoigeneses meningitis
• Machupo virus
• Malaria
• Malathion
• Marburg virus
• Marijuana abuse
• Measles Encephalitis
• Melioidosis
• Meningitis
• Meningococcal disease
• Mercury poisoning
• Metabolic Acidosis
• Metabolic encephalopathy
• Methadone overdose
• Methamphetamine overdose
• Methidathion
• Methiocarb
• Methomyl
• Metobromuron
• Milk-Alkali syndrome
• Monkshood poisoning
• Morphine toxicity
• Multi-Infarct Dementia
• Multiple Myeloma
• Mustard tree poisoning
• N-acetyl glutamate synthetase deficiency
• Naegleria
• Naphthalene
• Narcotic addiction
• Neurocysticercosis
• Neuroleptic Malignant Syndrome
• Neurosarcoidosis
• Neurosyphilis
• Nickel Carbonyl
• Nipah virus encephalitis
• Nitrobenzene
• Nitroglycerin
• Nitrophenol
• Nitrophenol Urea
• NN-Dimethyl-P-Toluidine
• Nocardiosis
• Nonaffective Psychosis
• Nutritional deficiency
• Oil-based paint
• Oleander poisoning
• Opioid toxicity
• Ornithine transcarbamylase (OTC) Deficiency
• Oxycodone addiction
• Parathion
• Paratyphoid fever
• Pediatric AIDS
• Pellagra
• Phencyclidine
• Phenytoin toxicity
• Phosdrin
• Phosphine
• Plague
• Plasma cell leukemia
• Postoperative haemorrhage
• Postoperative respiratory failure
• Postoperative septicaemia
• potato(Solanumtuberosum)
• Primary amebic meningoencephalitis
• Prion diseases
• Profenofos
• Propane
• Propanol
• Propoxur
• Propylene Glycol Dinitrate
• Pyridoxine deficiency
• Q fever
• Rabies
• Respiratory acidosis
• Respiratory alkalosis
• Respiratory depression
• Reye's Syndrome
• Ritalin overdose
• Rocky Mountain spotted fever
• Schizoaffective disorder
• Serotonin Syndrome
• Shock
• SIADH
• Sick sinus syndrome
• Snake bite
• Stroke
• Subdural hematoma
• Sundown syndrome
• Terbufos
• Tetrachloroethane
• Tetraethyl Pyrophosphate
• Thallium
• Thallium poisoning
• Thallium Sulfate
• Thiram
• Thrombotic thrombocytopenic purpura
• Tick-borne encephalitis
• Tolterodine toxicity
• Toluene
• Toxemia
• Toxic Shock Syndrome
• Toxoplasmosis
• Tramadol toxicity
• Transient Ischemic Attack
• Traumatic Brain Injury
• Trichlorfon
• Trypanosomiasis
• Urea Cycle Disorders
• Uremic encephalopathy
• Vicodin overdose
• Water Intoxication
• Waterhouse-Friderichsen syndrome
• WDHA syndrome
• Wernicke-Korsakoff syndrome
• Wernicke's encephalopathy
• Yellow fever
• Zolpidem overdose
• Zolpidem withdrawal

References

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