Question
the provider has prescribed Phenergan 18.75mg to be administered IM now and q4-6hr prn for nausea....
the provider has prescribed Phenergan 18.75mg to be administered IM now and q4-6hr prn for nausea. you have on hand Phenergan 25mg/ml. How many Ml should be drawn for this client?
Homework Answers
Answer #1
Answer : 0.75 mL
Prescribed dose - Phenergan 18.75 mg IM stat and q4-6hr prm
Available medicine - Phenergan 25 mg/1mL
(ie Desired dose - 18.75mg, Volume of available dose- 1 mL, Dosage strength of available dose - 25mg)
mL to be administered ?
mL per dose = 
mL per dose = 
(cancel out mg from numerator and denominator)
mL per dose = 
mL
mL per dose = 0.75 mL
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