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    • 10 hours, 2 minutes ago
      KarenM6 likes your comment at
      In the past 12 months, have you experienced nausea and/or vomiting as a symptom of high blood glucose levels?
      "It's a forever learning curve" - so very true
    • 10 hours, 9 minutes ago
      KarenM6 likes your comment at
      For pump users: In the past 3 months, have you had issues with insulin delivery due to a bent cannula or occlusion?
      I hesitate to bring this up but I am quite sure this happens more than people realize. I use a tubed pump and small amounts of total daily insulin and have checked the tubing for YEARS for bubbles. YES, they are difficult to "notice" unless you have a good light behind the clear tubing because the insulin is also colorless. I detach and check the tubing in the morning and before bedtime if not before the evening meal...I'm talking about significant bubbles----8-10-or12 inches in length can appear and you would NOT notice them unless you were looking. I wonder how many people wonder why their blood sugar is occasionally high and it's being caused by a significant bubble...NO, not the champagne sized version that's often mentioned to "ignore." The pump company I deal with tried to get me to switch to injections instead but I am an EXPERT with the bubble situation. Also, comments over the years that I am probably not filling the reservoir correctly, etc....just plain silly. I am NOT new at this...LOL!!!
    • 10 hours, 35 minutes ago
      KarenM6 likes your comment at
      In the past 12 months, have you experienced nausea and/or vomiting as a symptom of high blood glucose levels?
      I said yes to nausea, occurred with a bad pump site insertion and rising BG over the next 4 hours. I picked it up early w CGM notification and realizing that it was very unusual for me to have rising BG at that time of the day (morning) when on Control IQ pump. The severity was delayed because I had given a breakfast meal bolus via the prior site before the change, so BG was rising after 3 hours, and I knew something was not right. I think this is an important clue for pumpers- when I see people get in trouble w bad sites or insertion failures, the thought process usually is- I just put a new site in, it must be ok- or maybe it does not occur to people that the pump site could have failed--when it should be- did the insertion fail? ----If in doubt, pull it out!----- I pulled the site and could see the cannula was bent, so I know what happened and injected w a syringe, put a new site in, and was better in a 3-4 hours.
    • 15 hours, 11 minutes ago
      Janis Senungetuk likes your comment at
      In the past 12 months, have you experienced nausea and/or vomiting as a symptom of high blood glucose levels?
      I said yes to nausea, occurred with a bad pump site insertion and rising BG over the next 4 hours. I picked it up early w CGM notification and realizing that it was very unusual for me to have rising BG at that time of the day (morning) when on Control IQ pump. The severity was delayed because I had given a breakfast meal bolus via the prior site before the change, so BG was rising after 3 hours, and I knew something was not right. I think this is an important clue for pumpers- when I see people get in trouble w bad sites or insertion failures, the thought process usually is- I just put a new site in, it must be ok- or maybe it does not occur to people that the pump site could have failed--when it should be- did the insertion fail? ----If in doubt, pull it out!----- I pulled the site and could see the cannula was bent, so I know what happened and injected w a syringe, put a new site in, and was better in a 3-4 hours.
    • 15 hours, 11 minutes ago
      Richard Wiener likes your comment at
      In the past 12 months, have you experienced nausea and/or vomiting as a symptom of high blood glucose levels?
      I said yes to nausea, occurred with a bad pump site insertion and rising BG over the next 4 hours. I picked it up early w CGM notification and realizing that it was very unusual for me to have rising BG at that time of the day (morning) when on Control IQ pump. The severity was delayed because I had given a breakfast meal bolus via the prior site before the change, so BG was rising after 3 hours, and I knew something was not right. I think this is an important clue for pumpers- when I see people get in trouble w bad sites or insertion failures, the thought process usually is- I just put a new site in, it must be ok- or maybe it does not occur to people that the pump site could have failed--when it should be- did the insertion fail? ----If in doubt, pull it out!----- I pulled the site and could see the cannula was bent, so I know what happened and injected w a syringe, put a new site in, and was better in a 3-4 hours.
    • 15 hours, 31 minutes ago
      Ahh Life likes your comment at
      In the past 12 months, have you experienced nausea and/or vomiting as a symptom of high blood glucose levels?
      I began playing Pickleball last year in March. When the temperatures started to rise the extra effort my body was experiencing because of the heat got my body hormones out of balance and I began experiencing nausea, higher heart rates and feeling very uncomfortable. I soon realized that I cannot play when is too hot or I’ll end up with ketones. Any new activity when on. Insulin requires adjustments. It’s a forever learning curve. Adding to the heat, last year I was having some absorption problems by the overuse of my abdomen. I have now move the infusion sites to my upper front side and it’s working much better.
    • 15 hours, 32 minutes ago
      Kristine Warmecke likes your comment at
      In the past 12 months, have you experienced nausea and/or vomiting as a symptom of high blood glucose levels?
      I said yes to nausea, occurred with a bad pump site insertion and rising BG over the next 4 hours. I picked it up early w CGM notification and realizing that it was very unusual for me to have rising BG at that time of the day (morning) when on Control IQ pump. The severity was delayed because I had given a breakfast meal bolus via the prior site before the change, so BG was rising after 3 hours, and I knew something was not right. I think this is an important clue for pumpers- when I see people get in trouble w bad sites or insertion failures, the thought process usually is- I just put a new site in, it must be ok- or maybe it does not occur to people that the pump site could have failed--when it should be- did the insertion fail? ----If in doubt, pull it out!----- I pulled the site and could see the cannula was bent, so I know what happened and injected w a syringe, put a new site in, and was better in a 3-4 hours.
    • 15 hours, 32 minutes ago
      Ahh Life likes your comment at
      In the past 12 months, have you experienced nausea and/or vomiting as a symptom of high blood glucose levels?
      I answered no, but I do experience nausea and/or vomiting, usually on a daily basis, but this is because I have gastroparesis. I have rarely been able to eat breakfast over the last 20+ years as I end up vomiting it all back up ... try explaining that to ward staff in hospital(s). ;-)
    • 15 hours, 52 minutes ago
      Becky Hertz likes your comment at
      In the past 12 months, have you experienced nausea and/or vomiting as a symptom of high blood glucose levels?
      I said yes to nausea, occurred with a bad pump site insertion and rising BG over the next 4 hours. I picked it up early w CGM notification and realizing that it was very unusual for me to have rising BG at that time of the day (morning) when on Control IQ pump. The severity was delayed because I had given a breakfast meal bolus via the prior site before the change, so BG was rising after 3 hours, and I knew something was not right. I think this is an important clue for pumpers- when I see people get in trouble w bad sites or insertion failures, the thought process usually is- I just put a new site in, it must be ok- or maybe it does not occur to people that the pump site could have failed--when it should be- did the insertion fail? ----If in doubt, pull it out!----- I pulled the site and could see the cannula was bent, so I know what happened and injected w a syringe, put a new site in, and was better in a 3-4 hours.
    • 1 day, 8 hours ago
      Wanacure 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!
      After 62 years I have skin issues everywhere. I am an avid at rotating every time I change my infusion set. When I was on multiple daily injections, up to 9 per day, I had massive skin hardening. Since on the pump it’s not nearly as bad that’s been 33 years. I take very little insulin my daily basal comes out to 9 units over 24 hours I eat two meals that I count carbs for and try to keep at a minimum of 30-40 per day. Everything is going well. Rotation is key
    • 1 day, 8 hours ago
      Wanacure 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!
      I use a pump and have had issues with insulin absorbtion. It seems I have a lot of them on the side I primarily use for infusion sets. I recently switched to the other side of my abdomen and dropped more than one point on my a1c.
    • 1 day, 9 hours ago
      Wanacure likes your comment at
      Does your T1D healthcare provider suggest new medications or devices that they think would be beneficial to your T1D management during your appointments?
      When I first started with my current Endo we would discuss the released and upcoming products and I would tell her about the 'off-market' applications and devices, we both learned from each other. But she was so good with helping me transition to the Dexcom and then the Tandem after Animas was pulled from the Market. She followed my Dex and even finer tuned my Basals and early this year I got an "unbeleivable" 5.4 A1c and we are both extremely happy!
    • 1 day, 9 hours ago
      Wanacure likes your comment at
      Does your T1D healthcare provider suggest new medications or devices that they think would be beneficial to your T1D management during your appointments?
      Yes. But then I self-selected when choosing an endocrinology clinic that pursues cutting-edge advances 40 years ago. Cutting-edge is a phrase that is also often called bleeding-edge because it is often experimental, hit or miss on results, and very expensive. I am convinced the “bleeding” refers to $$$.
    • 1 day, 9 hours ago
      Wanacure likes your comment at
      Does your T1D healthcare provider suggest new medications or devices that they think would be beneficial to your T1D management during your appointments?
      not anymore, and I am happy about it! Most of the time they were recommending things that had been recently pitched to them by a pharmaceutical salesperson or a durable medical supplier. The doctors would give patients the "free samples" and it was often not the best fit, then after the "free" supply ran out, the prices were exorbitant. Maybe it still happens, but I haven't seen it for a while.
    • 1 day, 9 hours ago
      Wanacure likes your comment at
      If you have never used an insulin pump with automated insulin delivery (also known as a hybrid closed-loop pump), what are some of the reasons you’re reluctant, or obstacles you’ve encountered? Please select all that apply.
      The need for better CGM accuracy is a big consideration for me. Also my control is pretty good right now (a1c in the low 6 range). Although I am tempted by the sleep and exercise modes which would be very helpful since I’m getting back in to exercise. So…I keep sitting on the fence…
    • 1 day, 9 hours ago
      Wanacure likes your comment at
      If you have never used an insulin pump with automated insulin delivery (also known as a hybrid closed-loop pump), what are some of the reasons you’re reluctant, or obstacles you’ve encountered? Please select all that apply.
      I don’t want to change from the Omnipod Dash to Omnipod 5 because the minimum target blood glucose is level is higher than where I like to keep it. My A1C is currently 5.0.
    • 1 day, 9 hours ago
      Wanacure likes your comment at
      If you have never used an insulin pump with automated insulin delivery (also known as a hybrid closed-loop pump), what are some of the reasons you’re reluctant, or obstacles you’ve encountered? Please select all that apply.
      For the last 5 years, the highest HbA1C I've had was 5.3. For the last 3 years the high, low, & average have been 5.2, 4.7, & 4.9. I'm not willing to go to an AID that sets a target of 6 to 7.
    • 1 day, 9 hours ago
      Wanacure likes your comment at
      If you have never used an insulin pump with automated insulin delivery (also known as a hybrid closed-loop pump), what are some of the reasons you’re reluctant, or obstacles you’ve encountered? Please select all that apply.
      I do MDI. For the last 7 years my A1C has averaged around 4.8. I have no reason to believe that a closed loop automated system could do that well.
    • 1 day, 9 hours ago
      Wanacure likes your comment at
      If you have never used an insulin pump with automated insulin delivery (also known as a hybrid closed-loop pump), what are some of the reasons you’re reluctant, or obstacles you’ve encountered? Please select all that apply.
      There are many reasons, as well as "something else." My arthritic fingers do not serve me well with a cell phone. I have trouble putting the needle covers back on to my insulin pen needles. If I had to take care of all the fine muscle issues associated with setting a pump up, I would probably require assistance. I am also not drawn to the issues I hear about tissue damage at the infusion sites, or knowing whether everything is seated properly and the insulin is actually flowing. Finally, I just have some kind of negative karma with electronics. I have worked as a lab biochemist. Somehow, I find the weaknesses of every machine in the lab. (the ideal industrial beta-tester) Having said that, what I hear about the numbers achieved with the tandem CIQ gives me pause to consider.
    • 1 day, 9 hours ago
      Wanacure likes your comment at
      If you have never used an insulin pump with automated insulin delivery (also known as a hybrid closed-loop pump), what are some of the reasons you’re reluctant, or obstacles you’ve encountered? Please select all that apply.
      Like others, the "closed loop" runs me too high - even the target bg is too high for me. I use the TandemX2 with BIQ integrated wqith my Dexcom G6. I also appreciate - and use - the temp basal function often. I would lose that with CIQ. L:ike Nilla Eckstrom (I think?) I like to be between 80-90, with maybe up to 120 after I eat.
    • 1 day, 10 hours ago
      Wanacure likes your comment at
      If you have never used an insulin pump with automated insulin delivery (also known as a hybrid closed-loop pump), what are some of the reasons you’re reluctant, or obstacles you’ve encountered? Please select all that apply.
      The constant refilling and site changes...doesn't seem worth it.
    • 1 day, 10 hours ago
      Wanacure likes your comment at
      If you have never used an insulin pump with automated insulin delivery (also known as a hybrid closed-loop pump), what are some of the reasons you’re reluctant, or obstacles you’ve encountered? Please select all that apply.
      Luddites just may be the most comfortable people on earth. 🙃 
    • 1 day, 10 hours ago
      Antsy likes your comment at
      For pump users: In the past 3 months, have you had issues with insulin delivery due to a bent cannula or occlusion?
      Holy cow! 8 to 10” bubbles? There is definitely something wrong if that is happening to you. I occasionally get 1/4” inch 10” is excessive. Have you gone in and shown your pump instructor how you’re doing it so that they can help you figure out the problem?
    • 1 day, 10 hours ago
      Wanacure likes your comment at
      Aside from the first year after your diagnosis, have you seen a registered dietitian for help managing nutrition and T1D?
      When I was put on insulin, the first dietitian I payed to see said I could eat whatever I wanted as long as I followed the set number of macros (carbs, protein, fats). The stupid diet had my blood sugars all over the map. She didn't care/listen when I told her milk, bread/pasta made me feel really sick. She said because I was on insulin I need to eat a high carb, low protein and low fat diet. What bad advice! Thankfully, I came to my senses and starting reading the experiences of other T1D's who were following the The Bernstein diet.
    • 1 day, 10 hours ago
      Wanacure likes your comment at
      Aside from the first year after your diagnosis, have you seen a registered dietitian for help managing nutrition and T1D?
      Saw one, recently out of school, when I was first diagnosed ten years ago. She insisted I needed 150 grams of carbs per day minimum and handed me a sheet with meal plans. She explained that I needed those carbs to keep my brain functioning properly. GEEZ. I can only hope she's learned a thing or two since then.
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    CGM users: Do your sensors typically last for their full approved session duration? If not, how many days early does your sensor fail or fall off, on average?

    Home > LC Polls > CGM users: Do your sensors typically last for their full approved session duration? If not, how many days early does your sensor fail or fall off, on average?
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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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    26 Comments

    1. Britni Steingard

      Mine last the full session if I use additional bandaging. I usually have to change the bandaging halfway through the session, though. Once the bandage starts to peel up at the edges it can get caught on my clothes and tear out the sensor, too, but if I’m careful I can remove the bandage without pulling off the sensor and then put on a new bandage.

      2 years ago Log in to Reply
    2. Henry Renn

      I currently use G6 Sensors. Generally I do get a full 10 days use out of the sensors.  I previously used G4 (5 yrs), G5 (1yr) & currently G6 for 1.75 yrs. I have had occasional times & even periods of time needing replacement sensors which Dexcom has provided. Reasons have been bad placements, applicators which failed to release sensors, excessive bleeding upon placement & once in error a defective G6 transmitter required a new sensor.  I would have been in a bad spot if Dexcom had not provided replacements. To Dexcom’s credit they were also very interested in details of failures for the occasional problems.  Without Dexcom replacements I could not rely on usual method of bg control bc of Medicare rules. I understand the reason but the supply of new sensors is strictly controlled by those rules. When I prematurely need a sensor bc of Medicare time table I cannot simply order a new one.  I could have long periods of going without sensors if Dexcom didn’t fill the gap. The use of the closed loop system of Tandem t:slim x2 & G6 would be nullified without sensors.

      2 years ago Log in to Reply
    3. Clare Fishman

      I went from G4 to G6 in April 2019. My sensors always last 10 and then I restart and get at least another 10 accurate days. I pop the transmitter out for 20 minutes and then start the sensor as though it is new. I take a picture of the code on my phone and enter that so I don’t have to calibrate twice a day. My record for useful days for one G4 sensor is 53, for G6 it is 30.

      2 years ago Log in to Reply
    4. kilupx

      The key word here in the first answer choice is “usually.” I use Dexcom g6. Three or 4 times a year a sensor will act up in the last 36 hours. Mostly it’s a frequent loss of signal but just last week it was giving me crazy highs and lows. Dexcom always sends replacements.

      2 years ago Log in to Reply
    5. Wendy Shoemaker

      Clare Fishman…how do you “pop the transmitter” out without removing the sensor?

      2 years ago Log in to Reply
    6. William Bennett

      Sensor duration is always the full time and more, for me. ADHESIVE duration OTOH is about 7 days max for a 10-day G6 sensor (and yes, I do use SkinTac). I almost always have to over-patch it to keep it going, and the patched don’t last that long either.

      2 years ago Log in to Reply
    7. Gerald Oefelein

      My sensors last the full 10 days. I use the Tegaderm overpatches that Dexcom provides at no charge to secure the sensor and I have not had a problem with loosening adhesive. To get the Tegaderm patches, contact Dexcom support.

      2 years ago Log in to Reply
    8. connie ker

      I wear the Abbott Freestyle Libre 14 day sensor. It was coming loose, falling off, or simply not accurate towards the end of the cycle. The call for help brought me transparent tapes, complimentary from USMED, that keep in the sensor in place for the full 14 days. The reader will let me know when it is time to change or if the sensor has stopped working for some reason. I live alone so this CGM is a life saver 24/7/365.

      2 years ago Log in to Reply
    9. Carole Ludwig

      I am lucky if I get the full 10 days from the sensor. Problems usually start a day or so before the 10 days with three — dashes instead of a number. It is frustrating to have to rely on finger sticks to make sure I am bolusing appropriately. My issue is probably because I am thin and don’t have much body fat when inserting a new sensor. I do use over patches that are supplied by Dexcom, free of charge and have no problem with them keeping the sensor in place. I am thrilled when I get a full 10 days. I use with a Tandem pump. When the sensor malfunctions I always get a replacement. Overall, I am happy with the closed loop system as it has made my dealing with T1d so much easier.

      2 years ago Log in to Reply
    10. Jeannie Hickey

      I usually go 20 days with my Dex6 or 4days with Guardian then tape begins to loosen at edges

      2 years ago Log in to Reply
    11. Catherine Allen

      I use the Dexcom G6 and I never have issues with the sensor falling off, but have only gotten it to last without sensor errors for the full 10 days once. It always gives me a sensor error, stops giving me readings or decides I’m below 40 no matter how many times I calibrate it. I’m lucky if I get 8 or 9 days in before one of those happens

      2 years ago Log in to Reply
    12. Anthony Harder

      My sensors last exactly the specified time, but not one minute more.

      2 years ago Log in to Reply
    13. Mary Ann Sayers

      You asked about my CGM,nothing else. The sensors have worked as they’re supposed to do: for 10 days. And that’s when I change it (as long as I get my supplies).

      2 years ago Log in to Reply
    14. Mick Martin

      It varies, and quite dramatically. My Guardian Sensor 3 sensors are intended to last 7 days. On the whole they last round about that many days. Having said that I did receive, what I believe were ‘faulty’ sensors, though Medtronic/MiniMed dispute this. They DID replace the sensors when I got in touch to complain that I’d gone through 4 sensors in 2 days. Of course, Medtronic/MiniMed asked me how long I’d been using a pump with their sensors, and whether they’d been inserted correctly, which they had, of course.

      2 years ago Log in to Reply
    15. Sherolyn Newell

      Occasionally the G6 will start giving me sensor errors on day 10, and I don’t get readings for a while. I think it stays accurate when I do get readings.

      2 years ago Log in to Reply
    16. Michelle Saunders

      My sensors are fine. I on the other had have had issues with my transmitter stop working.

      2 years ago Log in to Reply
    17. Lucia Maya

      I use a G6 and typically get close to 20 days from each one, after restarting it. They’re quite accurate during the 2nd 10 days as well. (YouTube has lots of videos on how to do this.)

      2 years ago Log in to Reply
    18. Eve Rabbiner

      Sometimes get weird readings on last day and bizarre readings for the first 12 hours or so of the sensor. Pretty annoying. I used to hack the G5 to last longer. Not sure if it’s worth it with the G6 if the readings are off. I’ll check Youtube and see. Thanks for the tip.

      2 years ago Log in to Reply
    19. G. Dzag

      OK… During the Summer my Dexcom G6 was always coming loose, even with the provided clear patches that extend the adhesive ability of the sensor. I ride a bike on hours long, fast bike rides in the heat of Summer when accurate readings are very important. I dealing with errant readings and loosely attached sensors all Summer. I wish there was a better solution for people, like me, who exercise and sweat a lot I’d be lucky to get 6 days out of a sensor in hot weather. Winter time I’m fine.

      2 years ago Log in to Reply
    20. Jim Rogers

      I’m encouraged by the people here that can extend their G6 sensors to work past 10 days, AWESOME! On average 2 out of every 3 G6 sensors I use start failing about 2 days before the 10 days are up. Dexcom is good with replacing them but I get tired of having to call them and get replacements alot! I also calibrate with finger sticks to check their accuracy and have been surprised at times how far off they can be, especially after I start getting error messages. I love the technology of the CGM’s and think they have lowered my diabetes stress levels immensely because I try to stay in the normal lower glucose levels and don’t worry about it until the alarms tell me to. I just think that if they promote the sensors to last 10 days then that should be the minimum of days they work.

      1
      2 years ago Log in to Reply
    21. Sally Numrich

      I don’t usually have any issue with my sensors ending early. Yes, I have had a few over the years, but a quick call to Tandem & I get a replacement.

      2 years ago Log in to Reply
    22. Maureen Helinski

      Usually my G6 last 10 days, but when not I restart them for only one or two days. Then they are not as accurate.

      2 years ago Log in to Reply
    23. Gary Taylor

      I use the Medtronic Sensor 3. Mostly, they last the full 7 days they are approved for. Occasionally they quit early. I will call and get a replacement. For the ones that last the full 7 days, I will recharge the transmitter and restart the sensor. I usually get an additional 3 to 7 days.

      2 years ago Log in to Reply
    24. Rose Ryder

      My G6 rarely makes it to 10 days. I call Technical Services so it is tracked. Maybe the label is too optimistic??

      1
      2 years ago Log in to Reply
    25. HMW

      I use the Medtronic guardian 3 sensors. They usually last the full 7 day wear time but frequently become more inaccurate by the 7th day or start “updating” or fail in the last few hours.

      2 years ago Log in to Reply
    26. Bonnie Lundblom

      I use the Dexcom 6 which usually lasts close to the 10 days it’s supposed to last. Every now and then I have a box of sensors that simply aren’t accurate, my Contour Next and the Dexcom are very different and despite calibration remain that way. I’ve talked to Dexcom about this and was told to call them immediately and have that sensor replaced. I now use only my arms since that site consistently gives me the best accuracy.

      2 years ago Log in to Reply

    CGM users: Do your sensors typically last for their full approved session duration? If not, how many days early does your sensor fail or fall off, on average? Cancel reply

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