Delirium

Might be and effect or symptom of a myriad of things, as drugs, diseases, fever or magic.

Maybe the whumpee tries to hurt a loved one or themselves during it, or maybe they just don't make sense at all.

Check the complete Tropes index for more.

TV Shows
Star Trek: Enterprise


 * 1x04: Trip Tucker (Connor Trinneer), along with a few crewmates, gets affected by a toxin at an unknown planet, which causes them to hallucinates, with the bonus of paranoia delusions.
 * 1x24: Wandering through the desert and suffering with the heat, Trip starts showing symptoms of heatstroke, one of them being lack of sense of what is happening around him.

Westworld


 * 2x08: Akecheta finds Logan Delos (Ben Barnes), naked, sun burned and delirious, at the middle of the desert, where he had been abandoned at the end of Season 1.

Dramas
Word of Honor


 * Ep 29: Exhausted from using too much of his internal energy, devastated by the death of the man he was trying to save, and having just wake from a nightmare from his past, Wen Ke Xing (Gong Jun) is strangely fixated on killing a specific person and runs off yelling so, with his protegee trying to hold and stop him.