Jules Falret

Jules Philippe Falret (1824 – 1902) was a French psychiatrist.

In 1877, along with Ernest-Charles Lasègue (1816-1883) first described the concept of Folie à deux, initially termed Lasègue-Falret syndrome.

  • Born 17 April 1824, à Vanves. Son of French psychiatrist Jean-Pierre Falret (1794 – 1870)
  • 1852 – Docteur en médecine à la faculté de Paris
  • 1867 – Psychiatrist  l’hôpital de Bicêtre.
  • 1871 –  Chevalier de la Légion d’honneur
  • 1874 – Ernest-Charles Lasègue (1816-1883) introduced him to Jules Cotard (1840-1889) who would become his deputy at the Maison de santé
  • Died 28 May 1902

Medical Eponyms
Lasègue-Falret syndrome (1877) [*aka Folie à deux]

Psychiatric syndrome in which symptoms of a delusional belief and hallucinations are transmitted from one individual to another.

Described by Ernest-Charles Lasègue (1816 – 1883) and most commonly (wrongly) associated with his father…Jean-Pierre Falret (1794 – 1870)

Major Publications


BA MA (Oxon) MBChB (Edin) FACEM FFSEM. Emergency physician, Sir Charles Gairdner Hospital.  Passion for rugby; medical history; medical education; and asynchronous learning #FOAMed evangelist. Co-founder and CTO of Life in the Fast lane | Eponyms | Books | Twitter |

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