Paediatric paracetamol loading dose calculator

NHS Tayside ED Guidance
NHS Tayside

Calculation based on loading dose of 20mg/kg, this should only be used for children who have not had any paracetamol previously for this episode of pain. Children already 'loaded' with paracetamol should receive 15mg/kg.

Weight (Kg) Dose in milligrams mls of 250mg/5ml solution
5 100 2
6 100 2
7 100 2
8 150 3
9 150 3
10 200 4
11 200 4
12 200 4
13 250 5
14 250 5
15 300 6
16 300 6
17 300 6
18 350 7
19 350 7
20 400 8
21 400 8
22 400 8
23 450 9
24 450 9
25 500 10
26 500 10
27 500 10
28 550 11
29 550 11
30 600 12
31 600 12
32 600 12
33 650 13
34 650 13
35 700 14
36 700 14
37 700 14
38 750 15
39 750 15
40 800 16
41 800 16
42 800 16
43 850 17
44 850 17
45 900 18
46 900 18
47 900 18
48 950 19
49 950 19
50 1000 20

1. BNF for children.

Editorial Information

Next review date: 30/09/2022