Subcutaneous Type 1 diabetes mellitus Approximately one third of the total daily insulin requirements SC; rapid-acting or short-acting, premeal insulin should be used to satisfy the remainder of the daily insulin requirements Usual daily maintenance range is 0.5-1 unit/kg/day in divided doses; nonobese may require 0.4-0.6 unit/kg/day; obese may require 0.8-1.2 units/kg/day Type 2 diabetes mellitus Type 2 diabetes mellitus inadequately controlled with oral medication Adult: SC Usual range: 0.5-1 u/kg/day. Rapid-acting formulations, such as insulin lispro, given before meals with an intermediate- or long-acting insulin as a dose of 10 units/day SC (or 0.1-0.2 unit/kg/day) given at bedtime generally...