About Insulin lispro
Medically reviewed by Dr Khizer Hussain Junaidy, MD Pharmacology, Diabetologist & Bariatric Physician, on 23 Oct 2026.
What it is for
A rapid-acting (mealtime) insulin that controls the sugar rise after food.
How to take it
Inject within 15 minutes before a meal, or just after it if the doctor says so.
Common side effects
- Low blood sugar if the meal is delayed or small.
Call your doctor if
- Repeated low sugars.
Take care
Never inject and then delay the meal.
From our clinic: Carry glucose tablets. Rotate injection spots.