Medical Definition of ut dict.

  • 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.

ut dict.: Abbreviation meaning "as directed" (from the Latin "ut dictum", as directed). One of a number of hallowed abbreviations of Latin terms that have traditionally been used in prescriptions.

Some others:

  • a.c. = before meals (from "ante cibum", before meals)
  • b.i.d. = twice a day (from "bis in die", twice a day)
  • gtt. = drops (from "guttae", drops)
  • p.c. = after meals (from "post cibum", after meals)
  • p.o. = by mouth, orally (from "per os", by mouth)
  • p.r.n. = when necessary (from "pro re nata", for an occasion that has arisen, as circumstances require, as needed)
  • q.d. = once a day (from "quaque die", once a day)
  • q.i.d. = four times a day (from "quater in die", 4 times a day)
  • q._h.: If a medicine is to be taken every so-many hours (from "quaque", every and the "h" indicating the number of hours)
  • q.h. = every hour
  • q.2h. = every 2 hours
  • q.3h. = every 3 hours
  • q.4h. = every 4 hours
  • t.i.d. = three times a day (from "ter in die", 3 times a day)
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Reviewed on 12/27/2018

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