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-   -   Not changing needles on pen (https://www.diabetesforum.com/diabetes-medication-supplies/82090-not-changing-needles-pen.html)

Bunjee 06-03-2016 03:03

Not changing needles on pen
 
Perhaps it's a dumb thing to do, but I only change the needle on the Novolog pen once a day unless it's bent. Otherwise, I'd be wasting 1-2 units 4 times a day due to priming, which adds 5-6 days of usage over the life of the pen. Now, that doesn't make it very portable (can't put the pen cap back), but I only need to take Novolog with me maybe once a week. Anybody else do this and have unpleasant experiences?

I also have Levemir, but that primes with 1 unit and I only use it once a day. I only get one partial dose over the life of the pen, so not worth it there.

Daytona 06-05-2016 03:52

I think leaving the needle in can leak insulin (not a lot really) and cause it to degrade faster? I remember reading from people with experience that they don't recommend that but it's been a while so I am fuzzy on who said it and why.

I don't "prime" a needle like the instructions recommend. Instead after putting on the needle (BD ultra fine), I tip the pen so the needle is pointing down and if a bead of insulin doesn't form at the tip, then I tap the pen gently. Never had a problem with air doing it that way, and there's no waste.

Is there was a better/good way to travel with a pen + a few needles. I am so spoiled by my meter and lancet, both have drums that let me carry my supplies in the device, without having to put something in each time. I wish the pen had a drum for the needles! It's annoying to have to put a bunch of random needle tops in my purse and then put them on, throw away the sticker and plastic guards, etc. Makes it harder for me to inject at the table instead of going into the bathroom.

Bunjee 06-22-2016 00:53

My understanding is that if you don't prime, you don't get an accurate dosage. On the other hand, if my insulin is leaking, I guess I don't with that either. Hmm..

As for traveling, I'm making use of the free upgraded wallets that came with registering my Contour devices. The only thing I haven't really resolved is the detritus (as you mention, needle parts) and currently just use an empty test strips container that is marked SHARPS and I stick everything in there - sharp stuff and its paper/plastic stuff. Then I just dump into my sharps container when I get home (laundry soap container). The container stays closed very well, so no problem there.

diabetes86 06-22-2016 11:41

leving the needle on the pen leaves the insulin exposed to air. and any ant or fly that wants to check out the insulin. The insulin is also exposed to ALL the bacteria and viruses floating around in the air.

Bunjee 06-22-2016 19:04

Quote:

Originally Posted by diabetes86 (Post 1135441)
leving the needle on the pen leaves the insulin exposed to air. and any ant or fly that wants to check out the insulin. The insulin is also exposed to ALL the bacteria and viruses floating around in the air.

Do you use pens? The needles have a cap on them, which I leave on. Same with the prefilled syringes - home health nurses have prefilled syringes for their patients for decades and still do, so I don't think THAT part is a problem. The leaking out though - that's not something that the syringes do, so i will have to test.

diabetes86 06-23-2016 01:03

I used pens for 12 years.

Bunjee 06-23-2016 02:21

Quote:

Originally Posted by diabetes86 (Post 1135761)
I used pens for 12 years.

I defer to your experience. Are the caps on the BD needles (as example) poorly sealed?

diabetes86 06-23-2016 11:01

To my knowledge non of the needle caps are air tight.
As far as pre-filling syringes for decades, Just because they used to do something does not mean it was a good practice.

Bunjee 08-06-2016 23:04

I continued to research this question. I found a place that actually explains WHY which helps to make a decision to an alternative usage. For instance, I wanted to use a needle to remove the remainder in several pens so that I could give one injection of my total dose (multiple injections of basal dosage can actually cause some absorption problems resulting in unexpected sugar levels). Made no sense to me to toss out 2 pens with roughly 28u each when I need 40u. Just withdrew the amount from 2 used pens that I kept in fridge. Of course, you have to have the syringes to do this and maybe it isn't cost effective for you. My cash price for Levemir results in about .27 per unit, so my daily injection is just under $11 not counting the cost of the needle.

For those injecting, say a cat, then you want to withdraw into your syringe and put the insulin pen right back in the fridge to prevent concentration variation that may occur from warming up. Anyway, I hope this is helpful. Comments for clarification are welcome.

Insulin Pen Safety - Consumer Med Safety

div2live 08-07-2016 14:39

I take lantus from a pen. Have been doing this for 7-8 years. I always change the needle as I prefer a sharp needle.

But I do not prime the neeldles, except to get the air out when I start a new pen. Wasting that insulin to prime the needle everytime seems wasteful and with slow acting insulin, small variances does not seem to impact my results .


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