Insulin Types and Actions

1. Rapid-Acting

1.1. Lispro Insulin

1.1.1. Onset: Less than 50 minutes

1.1.2. Peak: 0.5 to 1 hour

1.1.3. Duration 3-4 hours

2. Short-Acting

2.1. Regular Insulin

2.1.1. Onset: 0.5 to 1 hour

2.1.2. Peak: 2-3 hours

2.1.3. Duration 5-7 hours

3. Intermediate-Acting

3.1. NPH Insulin

3.1.1. Onset: 1-2 hours

3.1.2. Peak: 4-12 hours

3.1.3. Duration: 8-24 hours

4. Long Acting

4.1. Insulin Glargine

4.1.1. Onset: 1 hour

4.1.2. Peak: None

4.1.3. Duration: 10.4 to 24 hours