What are considerations when prescribing insulin for the treatment of pediatric type 1 diabetes mellitus (DM)?

Updated: Mar 23, 2021
  • Author: William H Lamb, MD, MBBS, FRCP(Edin), FRCP, FRCPCH; Chief Editor: Sasigarn A Bowden, MD  more...
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When prescribing, tailor the insulin dose to the individual child's needs. For instance, if using a twice-daily regimen, then, as a rule of thumb, prepubertal children require between 0.5 and 1 U/kg/d, with between 60-70% administered in the morning and 30-40% in the evening. Insulin resistance is a feature of puberty, and some adolescents may require as much as 2 U/kg/d. About one third of the administered insulin is a short-acting formulation and the remainder is a medium- to long-acting formulation. Basal bolus regimens have a higher proportion of short-acting insulin. Typically, 50% of the total daily dose is given as long- or intermediate-acting insulin. CSII uses only short-acting insulins, most often the analogues lispro or aspart. Typically, they also have around 50% of the insulin given at a basal rate; the remainder is given as food-related boluses.

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