There are four main types of insulin, each categorized by how quickly they start working and how long their effects last. Here's a breakdown of each type according to the CDC:
Insulin Types Overview
The type of insulin you use is determined by your individual needs, based on meal schedules and overall blood sugar management throughout the day. Below are the four types of insulin with details regarding their onset and duration.
| Insulin Type | Onset | Duration |
|---|---|---|
| Regular/Short-acting | 30 minutes | 3 to 6 hours |
| Intermediate-acting | 2 to 4 hours | 12 to 18 hours |
| Long-acting | 2 hours | Up to 24 hours |
| Ultra-long acting | 6 hours | 36 hours or longer |
Detailed Breakdown of Insulin Types
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Regular/Short-acting Insulin:
- This type begins working in about 30 minutes.
- Its effects last for approximately 3 to 6 hours.
- Often used before meals to manage blood sugar spikes.
-
Intermediate-acting Insulin:
- Starts working within 2 to 4 hours after injection.
- Provides coverage for roughly 12 to 18 hours.
- Often used to manage blood sugar between meals or overnight.
-
Long-acting Insulin:
- Takes about 2 hours to start working.
- Its effects can last for up to 24 hours, providing a steady baseline of insulin.
- Provides a stable foundation for blood sugar control.
-
Ultra-long acting Insulin:
- Begins working in about 6 hours.
- Provides coverage for 36 hours or longer.
- Similar to long-acting, it delivers a consistent baseline for blood sugar.
Choosing the right type of insulin, or a combination of insulins, is essential for effectively managing diabetes. Consult with your healthcare provider to determine the best course of treatment for your individual needs.
