HOW TO MANAGE DELIRIUM clinically patient must be examined for fever and cause for the same.symptoms related to infection has to be carefully looked for.to ask specifically for certain medicines person may be taking which is recently started after looking for all systemic cause the nervous system causes must be looked into it may due to blleding in the brain or meningitis [infexction inthe meningeal layer covering the brain] it can also be due to a fit or convulsion following which patient may be in confused state.but its short lasting only