<unk>  is characterized by acute onset (developing over hours to days), and a fluctuating decline in attention-focus, perception, and cognition.  Infection, neurological diseases and metabolic derangement are the common causes of the<unk> .  Treatment of underlying etiology is crucial in the management of<unk> .<unk>  is managed conservatively.  If non-pharmacological interventions fail, antipsychotic with a minimal anticholinergic profile, like haloperidol and olanzapine are used.  Extremely agitated patients are managed by restrains and sedatives.
Delirium
Excited delirium
Post stroke depression
Depression 
Schizophrenia
Dementia
Psychosis
Disorganized schizophrenia