- Onset refers to when the insulin starts to work. I was taught Begins or Activates.
- Peak refers to when the insulin works hardest. I was taught Effective Period and Period of Maximum Effectiveness.
- Duration refers to how long the insulin works. I was taught Length of Usefulness.
- Official sources list nothing about when insulin ends and I
was taught End.
- Rapid-acting - I learned fast-acting insulin.
- Short-acting - This was never explained to me and I lumped it with fast-acting,
- Intermediate-acting - I learned this as 12-hour insulin.
- Long-acting - I learned this as 24-hour insulin.
- Pre-mixed - I learned was mixed insulin.
L: Lente. An insulin product. It has an onset of action 2-4 hours after injection, a peak activity 6-12 hours after injection, and a duration of action of 18 to 26 hours. Lente insulins are of human make and have been discontinued in the USA, but are legal to import for people allergic to analogue insulins.
NPH: Neutral Protamine Hagedorn It has an onset of action starting about 2 hours following injection. It has a peak effect 4-12 hours after injection, and a duration of action of 18-26 hours. A nickname has been attached to this insulin and it is “not particularly helpful.”
R: Regular. An insulin that has an onset of action within 30 minutes of injection, reaches a peak effect at 1-3 hours, and has effects that last 6-8 hours
Please refer to these charts for insulin. Chart 1 (most complete), Chart 2, and Chart 3. There are other charts and you may wish to bookmark the chart that gives you the information you desire.