Alfentanil dosing chart

Weight	Dose	Volume of water added to 5mg vial alfentanil.	Total volume	Administration volume in syringe
10kg	100 micrograms	9.0 mls	10.0 mls	0.27 ml
15kg	150 micrograms	5.5 mls	6.5 mls	0.27 ml
20kg	200 micrograms	4.0 mls	5.0 mls	0.27 ml
25kg	250 micrograms	3.0 mls	4.0 mls	0.27 ml
30kg	300 micrograms	2.4 mls	3.4 mls	0.27 ml
35kg	350 micrograms	1.9 mls	2.9 mls	0.27 ml
40kg	400 micrograms	1.5 mls	2.5 mls	0.27 ml
45kg	450 micrograms	1.2 mls	2.2 mls	0.27 ml
50kg	500 micrograms	1.0 mls	2.0 mls	0.27 ml
55kg	550 micrograms	0.8 mls	1.8 mls	0.27 ml
60kg	600 micrograms	0.7 mls	1.7 mls	0.27 ml
65kg	650 micrograms	0.5 mls	1.5 mls	0.27 ml
70kg	700 micrograms	0.4 mls	1.4 mls	0.27 ml
75kg	750 micrograms	0.3 mls	1.3 mls	0.27 ml
80kg	800 micrograms	0.2 mls	1.2 mls	0.27 ml
85kg	900 micrograms	0.1 mls	1.1 mls	0.27 ml
90kg	900 micrograms	0.1 mls	1.1 mls	0.27 ml
95kg	1 milligram	Use undiluted	1.0 ml	0.27 ml
100kg	1 milligram	Use undiluted	1.0 ml	0.27 ml

The volume given is always 0.27 ml (0.2ml delivered and 0.07 atomiser dead space). Only the concentration varies.

Weights at midpoints should be rounded up.

Dose formula: 5mg vial (1ml)/total volume x 0.2 = dose in mg (x 1000 for micrograms).

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