Premixed insulins: Humalog Mix, NovoLog Mix, Humulin/Novolin 70/30
premixed insulin · Premixed (intermediate + rapid or short) · Eli Lilly; Novo Nordisk
In short
Premixed insulin is a premixed (intermediate + rapid or short) made by Eli Lilly; Novo Nordisk, used for blood sugar control in diabetes when a fixed mix suits the routine. Schedule: usually twice daily with meals. It is prescription-only in the US and Canada.
What it is used for
- Blood sugar control in diabetes when a fixed mix suits the routine
Premixed insulin dosage
Per the official label. Your prescriber sets your dose — never change it on your own.
| 1Dose | Individualized in units |
|---|
How to take it
Resuspend gently before each injection; timing depends on the product.
Storage
Unopened: refrigerate. In use: per labeling.
How long it works compared with other insulins
Side effects
Common
- Low blood sugar (hypoglycemia)
- Injection-site reactions
- Weight gain
- Lipodystrophy or skin thickening at repeated injection sites
Serious — get medical help
- Severe hypoglycemia (confusion, seizures, loss of consciousness)
- Low potassium (hypokalemia)
- Fluid retention and heart failure when combined with thiazolidinediones
- Serious allergic reactions
Who should not use it
- During an episode of low blood sugar
- Never share pens or needles, even if the needle is changed
- Do not switch insulin type, brand or concentration without your prescriber
Cost
Human-insulin 70/30 is among the cheapest options.
How to buy Premixed insulin legally
- Get a prescription from your doctor or a licensed telehealth provider.
- Fill it at a licensed pharmacy, or through the manufacturer's self-pay pharmacy.
- Verify any online pharmacy first (US: safe.pharmacy; Canada: your provincial pharmacy college register).
Also searched as: Humalog Mix 75/25, NovoLog Mix 70/30, Humulin 70/30, Novolin 70/30, 70/30 insulin, mixed insulin
Sources
Checked against these primary sources on .