Start 0.25 mg once daily in a child less than 15 kg |
Start 0.5 mg once daily in a child less than 25 kg |
1 mg once to twice daily in a child/adolescent greater than 25 kg |
Slow incremental doses can then be added, initially doubling after 1–2 weeks up to twice daily |
After a further 1–2 weeks, it can increase to three times a day |
The dose can be further increased up slowly to a maximum of 0.04 mg/kg per dose three times a day |