Confusion causes

Common

Dementia

Depression

Delirium

Drugs-(toxicity/ withdrawal)

Hypothyroidism

Urinary tract infection

Important

Subdural haematoma

Hypoglycemia

Schizophrenia

HIV

Encephalitis

Cerebral tumour- primary or secondary metastasis

CVA/stroke

Diabetic ketoacidosis

Others

Electrolyte imbalance

Faecal impaction

Urinary retention