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q.d.

  1. (in prescriptions) every day.
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Origin of q.d.

From the Latin word quāque diē
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

q.d. in Medicine

q.d.

abbr.
  1. quaque die (every day)
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.