If you've been prescribed Admelog (insulin lispro) in the SoloStar prefilled pen, you'll quickly notice that the pen doesn't come with needles. You need to buy pen needles for Admelog SoloStar separately, and a new one goes on for every injection. This guide covers which needles fit, how to choose a length and gauge, and how to figure out how many to order so you don't run short.
Which Pen Needles Fit Admelog SoloStar?
Admelog SoloStar is made by Sanofi and uses the same SoloStar pen design as other Sanofi pens, such as Lantus SoloStar. Its tip is threaded to accept standard screw-on pen needles, so most widely sold pen needles from major brands fit, including:
- BD pen needles (Ultra-Fine, Nano 2nd Gen)
- NovoFine and NovoFine Plus pen needles
- Many generic "universal" screw-on pen needles
Always check the needle box for the list of compatible pens and confirm with your pharmacist if you're unsure. A needle that's the right type should thread on straight and snugly without forcing it. If you also use a Lantus SoloStar pen, the same needles will work on both; see our Lantus SoloStar pen needle guide for more on that pen.
Best Pen Needle Size for Admelog SoloStar
Admelog is a mealtime (rapid-acting) insulin, so you may inject several times a day. Comfort and consistency matter. Here's how the common sizes compare:
- 4mm, 32G: The shortest and thinnest option. Widely used by adults of all body sizes, and many people find it the most comfortable. A popular choice is NovoFine Plus 32G 4mm pen needles.
- 5mm, 31G: A slightly longer, still-thin needle that some users prefer, especially if they're used to it. BD Ultra-Fine 31G 5mm pen needles are a common pick.
- 6mm and 8mm: Longer needles that some people have used for years. Longer needles may need a different technique, such as a skin pinch, to avoid injecting into muscle.
Higher gauge numbers mean thinner needles, so 32G is thinner than 31G. If you're not sure which length is right for you, ask your healthcare provider or diabetes educator. They can look at your injection sites and technique.
How Many Pen Needles Do You Need for Admelog?
Use a new pen needle for every injection. To estimate your monthly supply:
- Count your usual Admelog injections per day (for example, one per meal).
- Add any correction doses you typically take.
- Multiply by 30, then add a small buffer for spoiled needles or extra doses.
Someone taking three mealtime injections a day uses about 90 needles a month, so a 100-count box lasts roughly a month. If you also inject a long-acting insulin with a separate pen, include those injections in your count. Larger packs can lower the price per needle if you use them before the expiration date on the box.
Tips for Using Pen Needles With Admelog SoloStar
- Attach a new needle right before each injection and remove it right after. Don't store the pen with a needle attached.
- Do the safety test (priming) before each injection, as described in your pen's instructions for use.
- Keep the needle in the skin for the full hold time listed in the pen's instructions, then withdraw it.
- Rotate injection sites to help prevent lumps under the skin.
- Throw used needles away in an FDA-cleared sharps container or a sturdy household container, following your local rules.
Quick FAQ
Do BD needles fit Admelog SoloStar? Yes. BD's standard screw-on pen needles are made for common insulin pens, including SoloStar pens. Check the box to confirm.
Do NovoFine needles fit a Sanofi pen? NovoFine and NovoFine Plus are standard screw-on needles that are widely used on pens from different makers. Check the box for the compatible pen list.
Do I need a prescription? Rules vary by state and by insurance plan. Many US buyers can purchase pen needles without a prescription, but insurance coverage often requires one.
Ready to restock? Browse our full pen needles collection, and new customers can use code WELCOME10 at checkout. This article is for general information only. Follow your healthcare provider's guidance for your insulin dose, needle size, and injection technique.
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