math calculations with oral drops child infant children

www.TakeRx.com

math calculations with oral drops

Calculate the total quantity and the total days supply for the following Rx:
Rondec DM
30 cc
1/2 dropper po qid
------------------------------------------------------------
This script was prescribed for a two year old child.
The doctor has prescribed Rondec DM drops for infants, but most pharmacists will dispense either Ceron DM oral drops or C-Phen DM oral drops.
This drug comes with a dropper for infants and it is available in bottles of 30mL
The total quantity to be dispensed is 30 mL as stated by the doctor.
The sig says: give one-half dropperful by mouth four times daily
Notice that 1 dropperful = 1 mL and, then, 1/2 dropperful = 0.5 mL
The child will be given 0.5 mL four times daily, that is, 0.5 * 4 which is 2 mL per day.
The total days supply will be 30 mL divided by 2 mL which is 15 days.

What are the total quantity and the total days supply for the following Rx:
C-Phen DM drops
0.25 dropperful 4xday
------------------------------------------------------------
The doctor has prescribed C-Phen DM oral drops. This medication comes with a dropper for infants and it is available in bottles of 30mL
In this case, the pharmacist will dispense one bottle of 30 mL
So, the total quantity to be dispensed is 30 mL
The sig says: give 0.25 dropperful by mouth four times a day
0.25 dropperful means 0.25 mL
The child will be given 0.25 mL four times daily, that is, 0.25mL * 4 which is 1mL per day.
The total days supply will be 30 mL divided by 1 mL which is 30 days.

What are the total quantity and the total days supply for the following Rx:
Ceron DM 3.5-1.3(mg/mL) oral liquid
1 mL qid prn cough congestion
dispense: 30 mL
------------------------------------------------------------
This script was prescribed for a 18-month old child.
The doctor has prescribed Ceron DM oral drops. In this case, some pharmacists may dispense Ceron DM oral drops while other pharmacists may dispense C-Phen DM oral drops.
This drug comes with a dropper for infants and it is available in bottles of 30mL
The total quantity to be dispensed is 30 mL as stated by the doctor.
The sig says: give 1 mL by mouth four times daily as neeeded for cough and congestion
The child will be given 4 mL daily. In turn, the total days supply will be 30 mL divided by 4 mL which is 7 days.

Calculate the total quantity and the total days supply for the following Rx:
Levsin drops
disp: 30 mL
4 gtt po qid prn
------------------------------------------------------------
The doctor has prescribed Levsin 0.125 mg drops, but the pharmacist will very likely dispense the generic version hyoscyamine 0.125mg oral drops.
Each 1 mL contains 0.125 mg of hyoscyamine. This drug was given to an infant.
This medicine is supplied in bottles of 15 mL and comes with a dropper for infants.
The total quantity to be dispensed is 30 mL as stated by the doctor.
In this case, the pharmacist will dispense two bottles of 15 mL each.
The sig says: give 4 drops by mouth four times daily as needed (using the included infant dropper)
Notice that the infant dropper is divided up into 3, 4, and 5 drops, and the dropperful is 0.25mL
In this case, the pharmacist may assume 4 drops = 0.25 mL
So, the child will be given 4 drops four times daily, that is, the child will be given 0.25mL four times daily.
In other words, the child will be given 0.25 * 4 which is 1 mL daily.
The total days supply will be 30 mL divided by 1 mL which is 30 days.

Calculate the total quantity and the total days supply for the following drug:
Tylenol 30 cc
1/2 dropper po q6h
------------------------------------------------------------
This script was prescribed for a two year old child.
The doctor has prescribed Tylenol for infants. This medication can be filled inside the pharmacy or it can be picked up over the counter.
This medication comes with a dropper for infants.
Many pharmacists will dispense the generic version acetaminophen 80mg per 0.8mL oral drops, but some pharmacists may dispense the generic drug Q-Pap drops.
The quantity to be dispensed is 30 mL as stated by the doctor.
The sig says: give one-half dropperful by mouth every six hours
Notice that 1 dropperful = 1 mL and, then, 1/2 dropperful = 0.5 mL
The child will be given 0.5 mL every six hours, that is, 0.5mL four times daily. So, 2 mL per day.
The days supply will be 30 mL divided by 2 mL which is 15 days.