What does QD BID and TID mean on a prescription?

(qd or QD) is once a day; q.d. stands for "quaque die" (which means, in Latin, once a day). b.i.d. (or bid or BID) is two times a day ; b.i.d. stands for "bis in die" (in Latin, twice a day). q.i.d. (or qid or QID) is four times a day; q.i.d.
A.

What does QD stand for in medical terms?

List of medical abbreviations: Latin abbreviations
Abbrev.MeaningLatin (or New Latin) origin
q.d., qdevery day / dailyquaque die
q.h.s., qhsevery night at bedtimequaque hora somni
q.d.s, qds, QDS4 times a dayquater die sumendum
q.i.d, qid4 times a dayquater in die
B.

What does QID mean on a prescription?

quater in die
  • What does Qid stand for in medical terms?

    quater in die
  • What is a TID?

    Terminal Identification Number, also known as a TID or TIN, is a unique number assigned and linked to a specific point-of-sale (POS) terminal or workstation that can be used to identify the merchant operating the terminal during credit card sales transaction processing.
  • What is a PC in medical terms?

    p.c.: Abbreviation meaning after meals (from the Latin "post cibum", after meals).
C.

What does T PO qd mean?

POmeans the medication is taken by mouth “bid” or twice a day. The 'x' indicates this prescription is taken for a period of 5 days. Some people think that Rx means prescription. In a way it does. However, Rx is the abbreviation for the Latin word meaning "recipe."

Updated: 22nd September 2018

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