Silas Weir Mitchell

Silas Weir Mitchell (1829-1914)

Silas Weir Mitchell (1829-1914) was an American physician and writer

Best known for his discovery of causalgia (complex regional pain syndrome type II or CRPS II) and erythromelalgia.

Weir Mitchell was possibly the first to describe tendon reflexes in 1859 as a ‘peculiar contraction‘, ahead of Wilhelm Heinrich Erb and Carl Westphal in 1875. Mentor to John Madison Taylor, the inventor of the tendon hammer in 1888

  • Born 15 February 1829 Philadelphia
  • 1849 – Intern, Pennsylvania Hospital of Philadelphia. Along with William Alexander Hammond (1828 – 1900) he described the neurological aspects of venomous snakebite
  • Died 4 January 1914 Philadelphia

Medical Eponyms
  • Causaligia
  • Erythromelalgia
  • The Tendon Hammer

Major Publications


eponymictionary CTA


the person behind the name

Emergency physician MA (Oxon) MBChB (Edin) FACEM FFSEM with a passion for rugby; medical history; medical education; and asynchronous learning #FOAMed evangelist. Co-founder and CTO of Life in the Fast lane | Eponyms | Books |

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