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• Signature of the prescriber.


• Signature of the healthcare providers who took the order and transcribed it.

CHAPTER 1 An Inside Look at Pharmacology^13

Direction L (in circle) Left

R (in a circle) Right

Dose aa Of each

c– With

DS Double strength

elix. Elixir

fl or fld. Fluid

gtt Drop

NS or N/S Normal saline

q.s. A sufficient amount/ as much as needed/

quantity sufficient

s– Without

ss–or ss One half

SR Sustained release

XL Long acting

XR Extended release

Form amp ampule

aq water

c Cup

cap or caps Capsule

EC Enteric coated

mix Mixture

sol or soln Solution

supp Suppository

Table 1-1. Commonly used abbreviations for drug orders.