Problem

The physician orders meperidine (Demerol) 60 mg and hydroxyzine (Vistaril) 25 mg IM prn. A...

The physician orders meperidine (Demerol) 60 mg and hydroxyzine (Vistaril) 25 mg IM prn. Available Demerol is 100 mg/2 mL and Vistaril 25mg/mL. You should administer a total volume of ___ milliliters of Demerol and Vistaril in one dose to the patient. Can you mix the Demerol and Vistaril in one syringe? Hint: Look at a compatibility chart in the medication room or in many drug books to determine if Demerol and Vistaril may be mixed.

Step-by-Step Solution

Solution 1

Demerol

 =

 =

100X = 120

120 ÷ 100 = 1.2

X = 1.2 mL

Vistaril

 =

 =

25X = 25

25 ÷ 25 = 1

X = 1 mL

Demerol 1.2 mL and Phenergan 1 mL is a combined does of 2.2 mL

Demerol and Phenergan are compatible and may be administered in one syringe.

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