Find the dose for the patient in milligrams:
1 kg (2.2 lbs) =
250 mg per dose
: 1 kg was changed
to 2.2 lbs.
so that corresponding units
of the proportion are
the same. See lesson 1, para 1-40.
Find the number of tablets to be dispensed per day:
1 tab =
5 tablets per day
Times 10 days:
10 x 5 tablets = 50 tablets required for a ten day regimen.
b. Meperidine HCl (Demerol) is a synthetic narcotic analgesic having a
recommended dose of 6 mg/kg/24 hours for pain and is given in divided doses at four
to six hour intervals. The maximum single dose is 100 mg. How many milliliters of
Demerol injection (50 mg/ml) should be administered to a 33-pound child, who is
suffering the pain of a broken leg, as a single dose every six hours?
Find the daily dose in milligrams:
= X mg
1 Kg (2.2 lbs) 33 lbs
2.2 X = 198
X = 198
X = 90 mg of Demerol per day