- A dictionary of medical eponyms

Lasègue-Falret syndrome

Related people

A syndrome prevalent among women living more or less confined, marked by:

(1) Coincidental appearance of psychotic symptoms in members of a family while living together.

(2) Appearance of psychotic symptoms in two closely associated persons and retention of symptoms once initiated, in spite of separation.

(3) Transmission of psychotic symptoms from a sick person to one person or several healthy individuals who elaborate on the induced delusions. Aetiology unknown; hereditary factors frequently involved.


  • C. Lasègue, J. Falret:
    La folie à deux ou folie communiquée.
    Annales medico-psychologiques, Paris, 1877, 18: 321-355.

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