What's the noun for deliriums? Here's the word you're looking for.
delirium
A temporary mental state with a sudden onset, usually reversible, including symptoms of confusion, inability to concentrate, disorientation, anxiety, and sometimes hallucinations. Causes can include dehydration, drug intoxication, and severe infection.
“Love is treated as a disease by the totalitarian government, who call it amor deliria nervosa.”
“We will find the main answers to this fundamental question in DalĂ's Theatre-Museum, the culmination of his deliria, and an enormous showcase for the majority of his different types of artistic creations.”
“Use of acetylcholine esterase inhibitors for producing a preparation for the treatment of deliria not caused by anticholinergic intoxication or by degeneration of the cholinergic system.”