Insulin Classification (Based on duration of action)

Inhaled insulin (2-3 hours)

• Afrezza

Rapid acting insulin (3-4 hours)

• Lispro 
• Aspart

• Gluliscine



Short acting insulin (6-8 hours)

• Regular (Soluble) insulin 

Intermediate acting insulin (10-16 hours)

• NPH (Neutral Protamine Hagedorn) / Isophane insulin: Cloudy appearance

• Lente (Insulin zinc suspension): Cloudy appearance

Long acting insulin (12-24 hours)

• Glargine 

• Detemir

• Degludec (24-42 hours)