Symptom
Confusion
An alteration of mental status characterized by impaired clarity of thought, reduced attention and concentration, and difficulty with orientation, memory, or coherent perception.
Causes
Infection (urinary tract infection, pneumonia, sepsis, meningitis, encephalitis)
Stroke
Seizure
Dehydration
Hypoglycemia or hyperglycemia
Electrolyte imbalance
Liver failure
Kidney failure
Medications (painkillers, sedatives, allergy medications)
Trauma
Sleep deprivation
Intense stress
Extreme pain
Cognitive decline
Also known as: Delirium, Disorientation
Referencing diagnoses
- Acute febrile neutrophilic dermatosis
- Acute intermittent porphyria
- Adrenal insufficiency
- Alcoholic liver disease
- Amniotic fluid embolism
- Aortic regurgitation
- Aortic stenosis
- Ascites
- Asthma
- Autoimmune hepatitis
- Cholangitis
- Diabetic ketoacidosis
- Discitis
- Drug-induced liver injury
- Encephalitis
- Endocarditis
- Epidural hematoma
- Epilepsy
- Esophageal varices
- Fat embolism syndrome
- Febrile seizure
- Femoral hernia
- Gastrointestinal hemorrhage
- Heart failure
- Herpes zoster
- Hydrocephalus
- Hypercalcemia
- Hypermagnesemia
- Hyperparathyroidism
- Hypocalcemia
- Hyponatremia
- Hypoparathyroidism
- Hypopituitarism
- Insulinoma
- Intracerebral hemorrhage
- Lead toxicity
- Ludwigs angina
- Lung cancer
- Lyme disease
- Meningitis
- Metabolic acidosis
- Migraine
- Mononucleosis
- Mumps
- Nonalcoholic fatty liver disease
- Parathyroid cancer
- Pneumonia
- Primary sclerosing cholangitis
- Pulmonary edema
- Pyelonephritis
- Rectus sheath hematoma
- Respiratory alkalosis
- Shock
- Spontaneous bacterial peritonitis
- Subarachnoid hemorrhage
- Subdural hematoma
- Syndrome of inappropriate antidiuretic hormone secretion
- Thrombotic thrombocytopenic purpura
- Thyrotoxicosis
- Viral hepatitis
- Vitamin B12 deficiency
- Whipple's disease
Note: Lists existing diagnoses in Diagnotize only.