Dunphy sign
Differential diagnosisAppendicitis

Dunphy's sign is a medical sign characterized by increased abdominal pain with coughing. It may be an indicator of appendicitis.[1] Named after Osborne Joby Dunphy (1898–1989), a British-American physician.[2][3]


  1. ^ Sachdeva, Anupam; Dutta, AK (31 August 2012). Advances in Pediatrics. JP Medical Ltd. p. 1432. ISBN 978-93-5025-777-7.
  2. ^ RxPG. "Eponyms - D Eponyms". www.rxpgonline.com.
  3. ^ Small V (2008) Surgical emergencies. In Dolan B and Holt L (eds) Accident and Emergency: Theory into Practice, 2nd edition. Elsevier.