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    • 13 hours, 57 minutes ago
      Greg Felton likes your comment at
      If you have T1D, have you ever dated or married someone who also has T1D?
      I fell in love with an insulin-dependent Type 2 20 years ago. There’s something terribly romantic about taking Lantus together at the end of the day.
    • 14 hours, 28 minutes ago
      ConnieT1D62 likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      One time I was explaining that a new pump would be too expensive at the time because my deductible had just started over.. and she asked if I had insurance and I said yes….. then she said “then it should be free with insurance.” 🤦‍♀️ She may know a little about the challenges of living with diabetes, but she knows nothing about how insurance works or how costly T1D supplies are.
    • 14 hours, 47 minutes ago
      Steve Rumble likes your comment at
      If you have T1D, have you ever dated or married someone who also has T1D?
      I fell in love with an insulin-dependent Type 2 20 years ago. There’s something terribly romantic about taking Lantus together at the end of the day.
    • 15 hours, 18 minutes ago
      Lawrence S. likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      I am an RN. Been going to same doctor for about ten years. Took me six years to train him. I am very well read when it comes to my LADA. He trusts my judgement and gives me excellent parameters to make decisions. Recently had a bad case of Covid. Insulin needs changed dramatically. Getting back to normal but he made sure I had scripts to cover my ups and downs with insulin needs.
    • 15 hours, 18 minutes ago
      Lawrence S. likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      Mine acknowledges the struggles and challenges that go along with managing T1D in my daily life. She gives suggestions as to what may or may not help and has often asked me I how I handle situations so she can give suggestions to other T1D patient's.
    • 15 hours, 19 minutes ago
      Lawrence S. likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      None of my endocrinologists or NPs have had T1D but I always discuss my challenges and they are incredibly helpful. What I always find astonishing is they are constantly amazed at how well I’m doing even when i don’t think I’m doing that well because most of their patients have nowhere near the A1c’s I’m able to achieve. And just hovers in the 6’s!
    • 15 hours, 44 minutes ago
      Jubin Veera likes your comment at
      Have you developed lipohypertrophy due to repeated injections/infusions of insulin? Lipohypertrophy is a term to describe hardened lumps of body fat just under the skin that resulted from repeated insulin injections/infusion sites. If so, share how you’ve handled lipohypertrophy in the comments!
      The hard spots are fairly frequent with the pump infusion sets. Especially if I go past 3 days which I try to avoid! I don’t think I ever got one from injections. I try heat and massaging to treat them and they normally go away after a day or so. Once I had a large area that I had to treat with antibiotics.
    • 15 hours, 47 minutes ago
      Magnus Hiis likes your comment at
      Have you experienced any symptoms of physical sexual dysfunction as a result of having diabetes, or having diabetes-related complications?
      I’m 79. My last orgasm was springtime about 3 or 4 years ago. When I complained of ED, my PCP Rxd 3 to 5 (60-100 mg) sildenafil tablets by mouth about one hour prior to sexual activity. This alone hasn’t worked to bring me up to former sexual capacity that I had 10 years years ago. I’m still considering consulting finding a doctor who’ll prescribe a safe but effective way of administering testosterone or an anabolic steroid in a dose low enough to avoid causing cardiovascular problems but high enough to restore normal ability that I had up to my sixties. My present doctors say it can’t be done, but there are doctors who advertise otherwise. Analogs of the hormone insulin can be delivered in small safe doses, why not testosterone?
    • 1 day, 7 hours ago
      Becky Hertz likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      We are all so very different, and trying to say that all of us with T1 understand what it's like for another who has the same hill to climb is unproductive. Having a health care provider with T1 may often be helpful just because there's apt to be more knowledge about the specifics. How we respond to the disease is such a personal matter, that I really don't think there are any guaranteed benefits beyond the grasp of the factual. Finding a doc with the same general attitude about the disease does feel good, and sometimes that's all I hope for after working hard to make peace with the disease for 70 years. Asking my doc to "get it" used to be almost my mantra, but I've come to realize that the ones who don't just see us as unruly childrenchildren
    • 1 day, 7 hours ago
      Becky Hertz likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      Both my endocrinologist and my nurse practitioner are great. They compliment me on the way I take care of my life and health and make aure I get all the supplies I need managing all the paperwork Medicare and insurance requires. My nurse practitioner who works with me on managing the pump has her own opinion about the pump settings based on her technical knowledge which is different than what I do with my settings based on living with them. She has thru the years learned to respect what I do and is surprised with how my settings work. So we are now at peace. Both very supportive.
    • 1 day, 10 hours ago
      pru barry likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      Yes. However, for those of you who assert, "It takes one to know one," the same might be said of age. Geriatrics is a marvelous array of marvels.
    • 1 day, 10 hours ago
      mojoseje likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      I said yes but that refers to my nurse practitioner who sees me every other visit, if not more often. The doctor may know how hard I try but perhaps takes my efforts for granted.
    • 1 day, 13 hours ago
      Anneyun likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      How can someone without the disease really understand what it is to live with it? I have never had a doctor with T1D in 60 years.
    • 1 day, 13 hours ago
      Bruce Schnitzler likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      Yes. However, for those of you who assert, "It takes one to know one," the same might be said of age. Geriatrics is a marvelous array of marvels.
    • 1 day, 14 hours ago
      Kristine Warmecke likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      My endo is young, very empathetic, thorough, always asks for my input, and does research. I am blessed too. have him, and the one before for over 25 yrs.
    • 1 day, 14 hours ago
      Kristine Warmecke likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      Yes. However, for those of you who assert, "It takes one to know one," the same might be said of age. Geriatrics is a marvelous array of marvels.
    • 1 day, 14 hours ago
      lis be likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      None of my endocrinologists or NPs have had T1D but I always discuss my challenges and they are incredibly helpful. What I always find astonishing is they are constantly amazed at how well I’m doing even when i don’t think I’m doing that well because most of their patients have nowhere near the A1c’s I’m able to achieve. And just hovers in the 6’s!
    • 1 day, 14 hours ago
      Daniel Bestvater likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      My provider does not have T1. Only someone with it can truly understand the various daily challenges and worth it takes to manage this.
    • 1 day, 15 hours ago
      TEH likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      My provider does not have T1. Only someone with it can truly understand the various daily challenges and worth it takes to manage this.
    • 1 day, 15 hours ago
      Lawrence S. likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      I have no clue what my T1D health care provider understands about my daily challenges and I don’t know about his daily challenges either. Not sure why I should care as long as I have access to information how to best take care of myself.
    • 1 day, 15 hours ago
      Jeff Marvel likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      My provider does not have T1. Only someone with it can truly understand the various daily challenges and worth it takes to manage this.
    • 1 day, 15 hours ago
      Richard Wiener likes your comment at
      Do you feel that your T1D healthcare provider understands the daily challenges and work that goes into living with T1D?
      My provider does not have T1. Only someone with it can truly understand the various daily challenges and worth it takes to manage this.
    • 2 days, 6 hours ago
      sweetcharlie likes your comment at
      Have you developed lipohypertrophy due to repeated injections/infusions of insulin? Lipohypertrophy is a term to describe hardened lumps of body fat just under the skin that resulted from repeated insulin injections/infusion sites. If so, share how you’ve handled lipohypertrophy in the comments!
      Hi Connie, I still have my glass syringe and show it off occasionally. We boiled the needle and syringe every morning and sharpened the needle with a file. I was diagnosed at age 6 in 1963. Life is so different now! Then, my diet was extremely limited as was my exercise. Now, I am very active and eat pretty much as I please. I maintain an A1C in the low 6s (6.2 was my last).
    • 2 days, 6 hours ago
      sweetcharlie likes your comment at
      Have you developed lipohypertrophy due to repeated injections/infusions of insulin? Lipohypertrophy is a term to describe hardened lumps of body fat just under the skin that resulted from repeated insulin injections/infusion sites. If so, share how you’ve handled lipohypertrophy in the comments!
      Connie and Beth, I was diagnosed in Nov 1962, age 10. During the early years I developed lumps and indentations on my upper thighs from my injections. In fact, I was able t o spot other t1 kids in my junior high school based upon the lumps in their upper arms.. (I eventually met up with them and learned that I was correct.) By the time I reached my twenties, these indentations had more or less disappeared, but I still have remnants of the lumps. I wish I could say that the layers of tissue now deposited on my legs disguises them, but they don't. I think the changes in insulin have been responsible for this improvement: the isolation and purification of animal insulins were refined, and then the various human clones were game changers in many ways.
    • 2 days, 7 hours ago
      sweetcharlie likes your comment at
      Have you developed lipohypertrophy due to repeated injections/infusions of insulin? Lipohypertrophy is a term to describe hardened lumps of body fat just under the skin that resulted from repeated insulin injections/infusion sites. If so, share how you’ve handled lipohypertrophy in the comments!
      Yes in my upper arms when I was a petite and skinny child in the 1960s with T1D. In those days we used glass syringes with stainless steel 1/2 inch long heavy gauge needles. My mother would jab me in the upper arms, it hurt like the dickens, and I developed several hard nodules. I was diagnosed at age 8 in December 1962 and after the initial two months of her jabbing me in the upper arms, I took over giving my own "shots" and started self injecting via site rotation in my thighs for several years. Eventually the lipohypertrophy in my upper arms resolved and I never injected there again until many years later as an adult on MDI using disposable syringes with very short and fine gauge needle tips. Periodically I would give my tired pin cushion thighs a rest and take a break for a few months or a couple of years and rotate injections in my abdomen or upper arms. Have been using a pump for over 20 years now and rarely use MDI unless I am taking a pump break for a short period of time. Happily, I no longer have lumpy sites.
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    If you wear a CGM, have you ever used expired sensors? If so, did you notice any issues with the sensors?

    Home > LC Polls > If you wear a CGM, have you ever used expired sensors? If so, did you notice any issues with the sensors?
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    If you wear an insulin pump, how many times in the past month have you had to change your pump site one or more days before the 3-day session was over?

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    Sarah Howard

    Sarah Howard (nee Tackett) has dedicated her career to supporting the T1D community ever since she was diagnosed with T1D while in college in May 2013. Since then, she has worked for various diabetes organizations, focusing on research, advocacy, and community-building efforts for people with T1D and their loved ones. Sarah is currently the Senior Marketing Manager at T1D Exchange. Sarah and her husband live in NYC with their cat Gracie. In her spare time, she enjoys doing comedy, taking dance classes, visiting art museums, and exploring different neighborhoods in NYC.

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    28 Comments

    1. PamK

      I haven’t used expired sensors, but I have used expired transmitters, which don’t work as well. I have to calibrate them and they fail before the 3 months of wear time is over.
      I first did this as a result of a call to the manufacturer to let them know I had received an expired transmitter. I was told by the rep that the expiration date was only the “shelf life” of the transmitter but that if it hadn’t been removed from the box it should still be good to use. @ two weeks later I was calling them back because of a failed transmitter. The next rep I spoke to told me that I never should have used it!

      1
      2 years ago Log in to Reply
      1. Sherolyn Newell

        It was probably a battery life issue. Battery life diminishes over time even just sitting on a shelf. An Omnipod service rep told me that.

        2 years ago Log in to Reply
    2. Mark Schweim

      I’ve been using Dexcom since 2008 and have used G4 sensors as much as 3 years after marked expiration date and noticed absolutely no difference in accuracy or discomfort. I’ve been using G6 since January 2020 and have used G6 sensors up to one year after marked expiration date, and just like the G4 sensors, I noticed absolutely no difference in accuracy of expired sensors compared to accuracy of sensors just received from the pharmacy or supplier.

      2
      2 years ago Log in to Reply
    3. Lawrence Stearns

      I could be wrong, but I think my Dexcom G6 sensors stop working when they reach their expiration date and time. I answered “other”, but perhaps I should have answered “No”.

      2 years ago Log in to Reply
      1. Mig Vascos

        I answer yes by mistake. Read too fast and thought we were talking about strips. I’ve never wear expired sensors

        2 years ago Log in to Reply
    4. Sasha Wooldridge

      I answered Yes, and noticed a difference. BUT only sometimes. It’s probably 50/50 whether I can even tell I’m reusing a sensor. When I can tell, the trend line is more jagged – not necessarily wrong, but it’s like it’s overshooting by a little bit in opposite directions every other reading.

      Very rarely it just doesn’t work at all. It’ll keep giving errors or it won’t be accurate in the least. I only reuse occasionally so I have a stockpile if there’s something I have to wait on in the bureaucracy of crazy between the dr, insurance, supplier, etc.

      2 years ago Log in to Reply
      1. Sasha Wooldridge

        I misread the question 😣.

        I’ve never had sensors long enough to use them expired.

        2
        2 years ago Log in to Reply
    5. Sahran Holiday

      Insurance sends me a 90 supply 9 sensors and I use them all. Expiration date is always in the future.

      1
      2 years ago Log in to Reply
    6. Angela Naccari

      I answered ‘no’ but will get a chance to try becsuse has sent me 2 replacements recently that had stickers over previous dates with a note that expiration date had been changed.

      2 years ago Log in to Reply
    7. Tom Caesar

      Since Medicare pays for my G6 sensors I only receive enough for 3 months use, not a day more. Have never used expired ones, supplies are too fresh.

      1
      2 years ago Log in to Reply
      1. RobbyLee

        Wondering how you’re able to get three months of sensors through Medicare? I have only been permitted to order one month at a time. Thanks!

        1
        2 years ago Log in to Reply
    8. Kristine Warmecke

      Before going on Medicare in 2020, I didn’t pay attention to the expiration date, I just grabbed one and used it. Now with being limited on how I get my supplies, I can’t order until I’ve opened my last box. No need to worry about when they expire, just that I’ll receive them in time, so I don’t have to go without.

      2
      2 years ago Log in to Reply
    9. ConnieT1D62

      Other – as yet I have not used an expired sensor so I cannot comment as to whether it works or not. However, I have used BG meter test strips 18 months beyond the expiration date and they worked just fine.

      2 years ago Log in to Reply
      1. sweetcharlie

        Thanks Connie, I have some strips that will expire and was unsure if I could trust them.

        2 years ago Log in to Reply
      2. T1DGJ

        I have a tiny meter that I used expired strips on (many months expired) and they registered me as really high when I was almost low. So you might want to check their accuracy against current strips. Be suspicious.

        2 years ago Log in to Reply
    10. Kathryn Keller

      Last time we were sent a replacement sensor, dexcom put a sticker on it with a new expiration date and said it was fine to use past the original date.

      1
      2 years ago Log in to Reply
    11. Gary Taylor

      I misunderstood the question, also. I don’t even look on the box for an expiration date. I just use them.

      I understood the question to mean have I used sensors beyond the FDA approved wear time. Yes, all the time. Medtronic sensors are approved for 7 days use. To save money, I reuse them and they work anywhere from 3 to 7 days beyond the recommendation.

      1
      2 years ago Log in to Reply
    12. Becky Hertz

      I used expired sensors in the G5. If they were less than 6 months out of date they worked pretty well, over 6 months not so much.

      2 years ago Log in to Reply
    13. Robert Brooks

      I never check the expiration date. Since Medicare requires you to attest having only 10 or fewer days left of a supply, including a CGM, before approving a refill, and Medicare only authorizes a one-month supply, it is hard to exceed the expiration date.

      3
      2 years ago Log in to Reply
    14. Peter Shank

      I found this out working with a technician over the phone, “expired sensors often fail with shorter times in-service”. Looking back at my stock (I only had one expired left), this seems to have held true.

      2 years ago Log in to Reply
    15. Carol Meares

      No I have never used expired sensors but I am currently using an expired transmitter. So far so good. I have one after this. Solara must have sent 2 that were almost ready to expire. I will have to be more observant next time.

      2 years ago Log in to Reply
    16. Kim Murphy

      I have used expired sensors. One time it worked fine, the other time it wouldn’t work at all it did not even start a warm up, I just received an error message.

      2 years ago Log in to Reply
    17. Sue Martin

      I had to pay out-of-pocket. The sensors costs less but worked just fine

      2 years ago Log in to Reply
    18. Bill Marston

      I tried to follow instructions from reliable & knowledgeable T1D FBk friends, but felt unconfident that I knew what I was doing so I stopped trying.

      2 years ago Log in to Reply
    19. Molly Jones

      I have not ever thought to look for an expiration date. I assume I don’t use expired sensors, but who knows. Another variable that is good to be aware of.

      2 years ago Log in to Reply
    20. T1DGJ

      I wanted to, but it shit off after 90 days and I didn’t catch the rework solution in time.

      2 years ago Log in to Reply
    21. Jodi Greenfield

      My CGM reader will not read an expired sensor, so I don’t have the choice.

      1
      2 years ago Log in to Reply
      1. Wanacure

        Yeah, me too. Using an expired sensor is impossible past 20 days.. Transmitter lasts 60 days. Byram is working for me so far. At $125/ month. I can always check my one touch meter.

        2 years ago Log in to Reply

    If you wear a CGM, have you ever used expired sensors? If so, did you notice any issues with the sensors? Cancel reply

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