# math problem

Published

hello can you guys help me out with this problem

child weighs 53 lbs.

order penicillin v potassium 400,000 units po every 6 hours.

dose range 25,000-90,000 units/kg/day in three to six divided doses

drug available 125mg (2000,000 units/5ml

is drug dose within safe range how many mls of penicillin v would you give?

thanks

1 Article; 3,530 Posts

Specializes in Med/Surg, Academics. Has 12 years experience.

You have two problems here. You need to figure out the safe dose range for this child, and then you need to compare it to what has been ordered.

What have you done so far to figure those things out?

111 Posts

I am guessing the drug is 200,000 units not 2000,00 so...

400,000/200,000x5ml = 10 ml

Hope this helps.

1 Article; 3,530 Posts

Specializes in Med/Surg, Academics. Has 12 years experience.

Make that three problems! You also need to do your math to find out the amount to give based on the order, if the order is a safe range.

1 Article; 3,530 Posts

Specializes in Med/Surg, Academics. Has 12 years experience.
I am guessing the drug is 200,000 units not 2000,00 so...

400,000/200,000x5ml = 10 ml

Hope this helps.

Hi. I know you're trying to be helpful, but providing answers will not help the OP work his/her way through this problem or any others he/she comes across.

BTW, did you determine whether or not the order is within the safe range prior to calculating based on what is available?

5 Posts

no not yet i dont know how to figure that out

1 Article; 3,530 Posts

Specializes in Med/Surg, Academics. Has 12 years experience.

A clue is given in your problem here:

dose range 25,000-90,000 units/kg/day in three to six divided doses

The patient is 53 pounds.

Start from there.

5 Posts

ok thanks!!

1 Article; 3,530 Posts

Specializes in Med/Surg, Academics. Has 12 years experience.

Well, what's the safe dose range per day for this particular patient?

Yes, I'm checking to make sure you just didn't take another poster's answer and move on. :)

5 Posts

at clinical rotations will post later

• ## Care Plans Guide

Create well-written care plans that meets your patient's health goals.