Medical Definition of Dysfunction

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Dysfunction: Difficult function or abnormal function.

There is, for example:

  • Constitutional hepatic dysfunction, (familial nonhemolytic jaundice),
  • Dental dysfunction (abnormal functioning of dental structures),
  • Minimal brain dysfunction (attention deficit disorder),
  • Placental dysfunction (dysmature placenta),
  • Psychosexual dysfunction, and
  • Sexual dysfunction (a disturbance of sexual functioning).
  • Erectile dysfunction is a consistent inability to sustain an erection sufficient for sexual intercourse.

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    Reviewed on 12/11/2018

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