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Drug calculation

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by JA27 JA27 (New Member) New Member

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I must have been reading too much. I am usually pretty good at these calculations but got stuck on this one. Can someone please help me out! The answer given is 6 mL but I would like to see how it is worked out. Thanks!

Doctor's order: Pepcid 10 mg IVP

Directions on label: 20 mg/2 mL. Dilute dose with 5 mL sterile saline.

How many total milliliters (mL) will be given?

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3,692 Visitors; 76 Posts

You need to figure out first how many mLs are in 1 dose..then add the 5mLs that you are diluting it with. That's it.

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KtHospiceRNCM works as a RN Case Manager - Hospice.

1,654 Visitors; 42 Posts

I worked it out using the formula method:

Dr Order divided by Dose on Hand times Quantity (DO/DOH X Q)

10mg/20mg X 2mL = 1mL

then add the 5mL of dilution to give a total of 6mL given

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