(Latin: madness; crazy, rave, deranged; literally, to go off the furrow; from delirare, "to turn aside from the furrow", whence arose the meanings "to deviate, to become deranged, to be crazy, or to be delirious")

senile delirium
A form of senile dementia, usually of acute onset and characterized by disorientation, restlessness, insomnia, hallucinations, and aimless wandering.
A mild delirium with lucid intervals.
substance intoxication delirium
That kind of delirium which can occur during intoxication with any of a variety of substances; including, alcohol, amphetamines and related substances, cannabis, cocaine, hallucinogens, inhalants, opioids, phencyclidine and related substances; and sedatives, hypnotics, and anxiolytics.

Specific disorders are identified by the substance involved.

substance-induced delirium
Associated with substance intoxication (substance intoxication delirium), substance withdrawal (substance withdrawal delirium), medication side effects, or exposure to toxins.

Individual cases are named for the specific substance involved; for example, "digitalis-induced delirium".

toxic delirium
Delirium caused by poisons.
traumatic delirium (s); traumatic deliriums, traumatic deliria (pl) (nouns)
1. That which follows severe head injury; superficially the patient is alert, but there is marked disorientation, memory defect, and confabulation.
2. A variety of delirium following injury; especially a head injury; possibly resulting in insanity, frenzy, madness, derangement, aberration, mania, lunacy, and fury.

Inter-related cross references, directly or indirectly, involving the "mind, mental" word units: anima-; anxi-; hallucina-; menti-; moro-; noo-; nous; phreno-; psych-; thymo-2.