What is a cause of delirium?

Very long list: There are many causes of delirium. Toxins, infections, trauma, medications, drugs, alcohol intoxication or withdrawal, endocrinologic, neoplastic, etc. Already having a dementia or other medical illness can increase the likelihood of delirium. It is an acute medical emergency, and requires examination to determine and treat the cause. For more info: http://tinyurl.Com/95f95r.

See below: Medications, acute illness, unfamiliar environmental setting, sensory deprivation (decreased hearing or visual activities) and untreated depression/anxiety related conditions.

There are many: Delirium is a syndrome that involves confusion, poor attention, disturbance in sleep wake cycles, psychosis and other symptoms. It is most often seen in seeverely ill people who are hospitalized. Drug use and drug withdrawl can also cause it. Sleep deprivation, electrolyte disturbance, low oxygen/glucose etc can cause it. People with dementia and other brain pathology are at highest risk.