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Dipsomania is an historical term describing a medical condition involving an uncontrollable craving for alcohol. It was used in the 19th century to describe a variety of alcohol-related problems, most of which are most commonly conceptualized today as alcoholism, but it is occasionally still used to describe a particular condition of periodic, compulsive bouts of alcohol intake. The idea of dipsomania is important for its historical role in promoting a disease theory of chronic drunkenness. The word comes from Greek dipso- thirst and -mania mania. It is still mentioned in the WHO ICD10 as an alternative description for alcohol dependence syndrome, episodic use F10.26
The term was coined by the German physician C. W. Hufeland in 1819, when, in a preface to an influential book by German-Russian doctor C. von Brühl-Cramer, he translated Brühl-Cramer's term Trunksucht as dipsomania.  Brühl-Cramer classified dipsomania in terms of continuous, remittent, intermittent, periodic and mixed forms, and in his book he discussed its etiology, pathogenesis, sequelae, and treatment options, all influenced by prevailing ideas about the laws of chemistry and concepts of excitability.
Due to the influence of Brühl-Cramer's pioneering work, dipsomania became popular in medical circles throughout the 19th century. Political scientist Mariana Valverde describes dipsomania as "the most medical" of the many terms used to describe habitual drunkenness in the 19th century. Along with terms such as inebriety, the idea of dipsomania was used as part of an effort of medical professionals and reformers to change attitudes about habitual drunkenness from being a criminally punishable vice to being a medically treatable disease. As historian Roy MacLeod wrote about this dipsomania reform movement, it "illuminates certain features of the gradual transformation taking place in national attitudes towards the prevention and cure of social illnesses during the last quarter of the 19th century."
Although dipsomania was used in a variety of somewhat contradictory ways by different individuals, by the late 19th century the term was usually used to describe a periodic or acute condition, in contrast to chronic drunkenness. In his 1893 book Clinical Lessons on Mental Diseases: The Mental State of Dipsomania, Magnan characterized dipsomania as a crisis lasting from one day to two weeks, and consisted of a rapid and huge ingestion of alcohol or whatever other strong, excitatory liquid was available. Magnan further described dipsomania as solitary alcohol abuse, with loss of all other interests, and these crises recurred at indeterminate intervals, separated by periods when the subject was generally sober.
Over time, the term dipsomania became less common, replaced by newer ideas and terms concerning chronic and acute drunkenness and alcoholism.