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Discussion

dosage for pediatrics? help!

could anybody tell me if 0.5mg of IV morphine Q4-6H PRN is correct dose for baby who weights 3.3 kgs? the recommended dose is 50mcg/kg/dose.

i dont know the right formula please help!

thanks:uhoh3:

Featured Replies

No that is an overdose.

To come to this conclusion this is the formular:

Convert teh 50 mcg to mg (3 decimal places to the left)= .05 mg/kg

multiply: 3.3kg X 0.05 mg = the appropriate dose

Swtooth

We use the .05mg X wt. in kg= correct dosage of morphine for Pediatrics

1 milligram = 1000 micrograms..but...

where did you get that recommended dosage? My book sez the recommended dosage is 0.1 - 0.2mg/kg, so the dosage range would calculate to 0.33-0.66mg (0.1-0.2mg x 3.3 kg) 0.5 mg would be right in the middle of that range, looks like the correct dosage.

hope I didnt confuse the issue

PS 0.5mg = 500 mcg

  • Author

thank you all for the replies....that helped me

  • Author
1 milligram = 1000 micrograms..but...

where did you get that recommended dosage? My book sez the recommended dosage is 0.1 - 0.2mg/kg, so the dosage range would calculate to 0.33-0.66mg (0.1-0.2mg x 3.3 kg) 0.5 mg would be right in the middle of that range, looks like the correct dosage.

hope I didnt confuse the issue

PS 0.5mg = 500 mcg

nj1grlcrus,

the recommended dosage is given in the test I'm working on....thank you for the reply

  • Experts

our standard dose is 0.1 - 0.2 mg/kg/dose q2h prn for intubated patients. our extubated and spontaneously breathing patients get half that... or 0.05 - 0.1 mg/kg/per dose q4h prn. so i guess the op and nj1grlcrus are both "right".

we also use .1mg/kg/dose.

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