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Insulin Pumps and Sun

So you’ve got your sunscreen, your cold drinks and your insulin pump (with back-up insulin)... you’re all ready forinsulin pumps and sun a day at the beach, park, or pool!
 
Almost...

To keep things dry and cool, take a moment to take in these tips before your family takes in the sun and surf.


Sun, Sun, and More Sun!

When you take along insulin for a day in the sun, whether you carry the insulin in a vial, in a pen or in a cartridge inside your child’s insulin pump, there are critical steps you should consider to keep that insulin cool, and therefore working as it was intended.

To keep insulin from getting too hot (also see Storing Insulin here on WaltzingTheDragon.ca), the following are important guidelines to follow:
  • Keep insulin vials, pens and pumps away from direct sunlight.
  • Do not leave insulin unprotected on a warm day: in a car, or in a beach bag at the lake or beach.
  • Store insulin in a cooler with an ice pack, in a wide-mouth thermos bottle with ice cubes, or in a cooling insulin wallet or device (more on both, coming up!).
  • Remember, your child’s pump contains insulin, so just like a vial or pen of insulin, the insulin pump should not be exposed to direct sunlight or heat. If your child disconnects her insulin pump at the beach, for example, it would be wise to store it in a well-insulated cooler (kept with you on the beach). As temperatures inside a car on a hot day can be especially high, a disconnected pump should not be left in the car. If your child stays connected to her insulin pump while outside on a hot day, a cooling pouch may be necessary to protect the insulin inside the pump; a Frio® pump case (used even while your child is wearing the pump) may be helpful in guarding against high temperatures.
  • Frio insulin wallet Frio® insulin wallets are portable, re-usable storage packs and pouches which, without the need for ice packs or electronic cooling devices, keep the contents cool for 45 hours in very high temperatures (officially rated to 38°C / 100°F but there are anecdotal reports of effectiveness up to 48°C / 120°F). The cooling gel contained within a stretchy fabric covering expands when it is soaked in water; it will then stay “plump” and cool for hours without the need to re-soak; when the gel begins to dry out and return to its crystal form, another quick soak in water will re-activate the crystals, giving your child hours more of protection for her insulin (within or separate from an insulin pump).
  • Consider using an arm/leg band with cooling gel if your child is wearing a tubing-free, pod-based pump (such as Omnipod®).
  • Cooling gel accessories such as Frio® are valuable for any non-water activities in the sun and heat (including beach ball volleyball, picnics at the local nature park, or trips to an amusement or theme park (a hot day in the Happiest Place on Earth can wreak havoc on unprotected insulin!). But a Frio® pouch should NOT be worn into the water – when re-exposed to water, the gel could over-expand, which may cause the pouch to burst. Instead, when your child is ready for a swim, you could take the pump out of the Frio® wallet and use a regular (non-cooling) pump pouch; when he comes out of the water, simply slip his insulin pump back into the Frio® and then back into the pump belt or other pump-wearing accessory.
  • Frio® pump wallets are also useful for overnight use if your child is sleeping in a hot environment.
tips from the trenches of type 1 diabetes
My son seems to radiate heat, especially during the summer months. We have found that placing his insulin pump in a Frio, and then tucking it into his pump belt as usual, results in far better overnight blood glucose readings during hot weather.  ~Michelle



  • In very hot weather, it would be wise to change out the insulin in your child’s pump every 2 days (or more frequently, if necessary).
  • There is also a cooling device out there called a Medi-Fridge®: it can keep insulin vials consistently cool for a prolonged period of time using electricity to create cold. While a Frio® needs to be retreated with water to maintain its cooling effect, a Medi-Fridge® device doesn’t need repeated intervention to keep the contents cool – although it does require a consistent supply of electricity (via wall plug, or battery for some models) to do so. As such, it may be appropriate for travel of longer duration. (We spoke to a family who traveled in the jungle with insulin for 6 months and found the Medi-Fridge Air Traveller® very useful.)
You may want to investigate the properties and availability of both cooling devices – Frio® and Medi-Fridge® – to find out which is best suited to your family’s travel needs.
  • Sun, surf and snow aside, it may be wise to include a cooling pouch or device in your family’s 72-hour home emergency kit – it would be handy to have on hand if the power goes out, allowing you to protect the effectiveness of the insulin you usually store in the fridge.


For more information on dealing with your diabetes stuff in various environmental conditions, check out the other articles in this series: Insulin Pumps and Surf, Insulin Pumps and Snow




Do you have tried and true methods for dealing with sun, surf, and snow?

insulin pumps and sun

Share them with us so we can share them with the type 1 diabetes community! 




The above information was adapted with permission from The Alberta Children’s Hospital Diabetes Clinic information handouts.

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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