Medical Definition of Idiopathy

  • 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.

Reviewed on 9/7/2018

Idiopathy: A disease or medical condition of unknown origin or which has no apparent cause. As in the idiopathy of cancer.

From the New Latin idiopathia (primary disease), from the Greek idiopatheia, from idio-, from idios (one's own, personal) + -patheia, -pathy (feeling, suffering).

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Reviewed on 9/7/2018