'Worthy doctors […] allow me to come forward and lecture on this matter': Thomas De Quincey and the experiential and sociocultural components of substance use.

This article highlights the relevance of the humanities to psychiatric discussions. It considers Thomas De Quincey's autobiographical Confessions of an English Opium-Eater (1821), where the author charts his opium experiences and dependence. The text provides an intersection of subjective and objective evaluations of drug use, and records experiences undertaken before establishment of psychiatric disciplines. De Quincey's self-analysis anticipates psychoanalytic techniques and psychopharmacology. This article raises questions applicable to the medical humanities, such as complexities of the patient's voice, therapeutic creativity and how literature functions as a record of phenomenology. It underlines the relevance of literature for psychiatric practitioners.