Do Not Use

Question 1

trailing zero (X.0 mg)

Answer 1

decimal point is missed
use X mg instead

Question 2

lack of a leading zero (.X mg)

Answer 2

decimal point is missed
use 0.X mg instead

Question 3

MS, MSO4, MgSO4

Answer 3

can confuse morphine sulfate for magnesium sulfate
write morphine sulfate or magnesium sulfate instead

Question 4

HS (half strength), hs (hour of sleep)

Answer 4

confused with each other
write half strength or hour of sleep instead

Question 5

QD, Q.D. (daily), QOD, Q.O.D. (every other day)

Answer 5

mistaken for each other, periods can be confused
write daily or every other day instead

Question 6

U or u

Answer 6

confused as number or volume
write unit instead

Question 7

IU

Answer 7

confused as IV
write units

Question 8

ug for microgram - mcg

Answer 8

confused with mg
write mcg instead