(2)
(a) q 4h: every 4 hours.
(b) b.i.d.: twice a day.
(c)
p.r.n.: if needed, as needed.
(d) q.d.: every day, daily.
(e)
q.i.d.: 4 times a day.
(f)
q.o.d.: every other day.
(g) t.i.d.: 3 times a day.
2-15. FIVE "RIGHTS" OF MEDICATION ADMINISTRATION
a. The right patient.
b. The right drug.
c. The right dose.
d. The right route.
e. The right time.
2-16. COMPUTING DOSAGES FOR TABLETS, PILLS, AND CAPSULES
EXAMPLE:
You are to give 0.5 gm of medication to a patient P.O.
On hand are 250 mg capsules.
1 capsule = X capsules
250 mg
0.5 gm
b. Convert the strength of the medication ordered and the strength of the
medication stocked to the same unit of measurement.
0.5 gm = X mg
1 gm
= 0.5 gm
1000 mg
X mg
X = 500 mg
MD0904
2-25