Insulin lispro: how to take it safely
Humalog
Reviewed by Pharm. Abeeb Junior
What it is for
A fast-acting mealtime insulin that lowers blood sugar after meals.
How to take it
- Prescription medicine: take it exactly as your doctor or pharmacist told you.
- Inject under the skin as your health worker taught you. Change the injection spot each time.
- Check the label to make sure you have the right type.
- Never share pens or needles.
When to take it
Inject 0 to 15 minutes before a meal, or just after it.
Take it with
Eat soon after injecting.
What to avoid
- Skipping meals or exercising hard without eating.
- Alcohol.
- Storing it in heat. Keep unopened insulin in the fridge, and opened insulin as the leaflet says.
- Changing the dose or type on your own.
- Injecting and then delaying or skipping your meal.
Possible side effects
Low blood sugar, weight gain, skin changes or lumps at injection sites.
Get help if
Signs of low blood sugar (sweating, shaking, hunger, confusion): take sugar straight away. Fainting, fits, or high sugar with vomiting and fast breathing: get emergency help.
This is general information, not personal medical advice. Always follow your doctor's or pharmacist's instructions and read the leaflet that comes with your medicine. Medicines and doses can differ between products and people.