About Insulin degludec
Medically reviewed by Dr Khizer Hussain Junaidy, MD Pharmacology, Diabetologist & Bariatric Physician, on 23 Oct 2026.
What it is for
An ultra long-acting (basal) insulin that works for more than a day, keeping sugar steady.
How to take it
Inject once a day, preferably at the same time. If needed, the time can shift, keeping at least 8 hours between doses.
Common side effects
- Low blood sugar.
- Lumps under the skin if one spot is overused.
Call your doctor if
- Repeated low sugars.
- Fasting sugar stays high.
Take care
Do not stop insulin on your own.
From our clinic: Keep spare pens in the fridge at 2 to 8°C. Do not freeze. The pen in use can stay at room temperature, below 30°C, for up to 8 weeks. Rotate the injection spots. Use a new needle each time.