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Numbing Infusion Sites

No Pain, No Gain???   Some Numbing Comments:numbing infusion sites for insulin pumps

For many insulin pump users, most infusion set applications cause little or no pain –just a short jab that doesn’t bother them in the least. However, some individuals, particularly children, may find the process distressing or even painful. The good news is that pain can be minimized or avoided.

For a quick, easy solution, an ice cube rubbed over the infusion site immediately before applying the infusion set may numb the area a bit and make the experience more comfortable. A cold gel pack, held on the area for a few moments, can also help. However, some kids find the cold sensation uncomfortable, and this solution tends to “take the edge off” rather than completely eliminating pain.

Another option is using a topical anaesthetic cream, such as EMLA™ or Maxilene. Both contain Lidocaine in non-prescription strengths, which numbs the area temporarily, and can make the process of set changes virtually painless. You simply apply a dab of the cream (about the size of a dime), and then cover it with a first aid dressing, such as Tegaderm™, or IV3000 for the specified period of time. Then you remove the dressing, wipe and wash away all of the cream, and apply the infusion set as usual.


Things you may want to know about numbing:
  • If you do use a topical anesthetic cream, you apply it (and remove it) before the use of any skin prep wipes.
  • Maxilene is available in different strengths. Most notably for this discussion, Maxilene 4 has 4% Lidocaine, while Maxilene 5 has (you guessed it) 5% Lidocaine. Either of these will numb quicker than creams with 2.5% Lidocaine, such as EMLA™.

tips from the trenches of type 1 diabetes
Both Danielle and I have used both EMLA™ and Maxilene with good results. We leave EMLA™ on for about 45 minutes before a set change, while Maxilene4 seems to work in about 15-20 minutes. In making a decision about whether and which type to use, in addition to discussing with your child’s doctor whether this solution fits for your child, you may also want to consider the economics of the different options... in my experience, Maxilene4 costs slightly more than EMLA™, but works much faster, so we think the slightly higher cost is worth it. (I’m thinking of those times when we need to change the set before school, for example, but only have 10-15 mins. to do so). On the other hand, we have heard that Maxilene5 is now available in Canada, and it’s reasonable to assume it will work even quicker because of the higher concentration of Lidocaine.  However, when we looked into it, Maxilene5 was significantly more than Maxilene4. For our family, the small decrease in wait time after application isn’t worth the significant increase in price, but you may feel differently. I encourage you to do some research and make the decision that’s best for your family.

~Michelle

  • How about spraying on a topical anesthetic to numb the infusion site? Gebauer's Pain Ease® is a "non-drug, non-flammable... instant topical anesthetic skin refrigerant approved to temporarily control the pain associated with needle procedures and minor surgical procedures."

tips from the trenches of type 1 diabetesAlthough we don't personally have experience with this spray, we have heard of families using it with good results. They report that each can of Pain Ease® has about 50 applications and that it numbs the area very quickly. It's important to note that the Risk and Safety Information cautions that "over-spraying may cause frostbite" and that "the thawing process may be painful", so be sure to use it according to the manufacturer's instructions. If you're interested in trying Pain Ease®, you could talk to your child's diabetes health care team, or contact your local pharmacy about ordering.



And here’s another option to reduce the potential pain of infusion set insertion... one with a fun twist:

 
Buzzy is a small device, shaped into a bee character (or a ladybug, if you prefer) which acts as a physiologic pain blocker. According to the Buzzy website, “using cold and vibration, Buzzy is proven to naturally block unpleasant sensations on contact”. We haven’t used Buzzy personally, but it looks promising. Check out this article from Dr. Fran Cogen, diabetes doc and CDE. If you do end up trying Buzzy for your child, we would love for you to share your experience with us.

Also, infusion sets that use auto-inserters tend to insert the introducer-needle quicker and with the right pressure to minimize discomfort. If your child is struggling with set changes, consider using an insertion device (a.k.a. “serter”, or “auto-inserter”).


No Need to Numb??

For some parents and professionals, the default approach is to only use interventions that are absolutely needed. After all, any intervention comes with some risks, as well as adding cost and effort to a situation that already demands much of our effort, time and money.  For these individuals, numbing creams seem unnecessary; the answer to “why bother?” becomes “don’t bother”.

However, in considering whether to use a topical anesthetic, we would encourage you to look at your family’s emotional needs, too. Does your child get worked up when it’s time for a set change? Could she be stuffing down feelings of fear that are building a negative association with set changes, and with diabetes overall? If not, then you don’t need to worry about fixing something that’s not broken. However, if you or your child are resistant to set changes, numbing creams may be a helpful solution.

Sometimes we, as parents, become dulled to our kid's pain... because we know the procedure is necessary, we just want them to “buck up” and get it over with. But our family strategy is: if you can avoid the pain, then why not do so?

tips from the trenches of type 1 diabetes
When we first started using infusion sets, we thought that the insertion would be quick and easy but Paul taught us different. His anxiety levels were so high and the crying so great with set changes that we thought we would try a different strategy. We bought some EMLA™ cream, which we affectionately termed “magic cream” and gave it a go. Paul’s initial response made us realize how stressed he had been over a set change. He was initially crying at the thought of the insertion but once I inserted it into the numbed area and he realized it didn’t hurt, he began laughing and exclaiming, “It didn’t hurt at all, Mommy!” I realized at that point just how stressed I had been over his anxiety and also felt relief when it didn’t have to hurt. We continued to use “magic cream” without any more infusion set changing battles until Paul was about 9 years old. At that point “he” decided he didn’t need it anymore. I’ve heard people say numbing isn’t needed, that kids will just get over it but fears and phobias aren’t rational, some kids (especially younger kids) don’t just get over it. The emotional upset can be avoided so why not avoid it? It’s important to decide for yourself based on your child’s anxiety levels whether or not numbing the site change area will benefit your child.
 
~Danielle




Any questions? Comments? Feel free to Contact Us.



The above information was reviewed for content accuracy by clinical staff of the Alberta Children’s Hospital Diabetes Clinic.

This material has been developed from sources that we believe are accurate, however, as the field of medicine (in particular as it applies to diabetes) is rapidly evolving, the information should not be relied upon, as it is designed for informational purposes only. It should not be used in place of medical advice, instruction and/or treatment. If you have specific questions, please consult your doctor or appropriate health care professional.


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