X-Rays and Airport Scanners
Airport security poses a risk to delicate micro-motors and electrochemical sensors.
- Insulin Pumps: Manufacturers explicitly warn against Full Body Scanners (AIT) and X-ray machines. The electromagnetic radiation can corrupt the pump's memory or motor controller. Request a manual pat-down.
- CGMs: Most CGMs (Dexcom, Libre) are rated for standard metal detectors and hand-wands, but not full body scanners.
Time Zone Changes in Algorithms
AID systems rely on a 24-hour basal profile. When you cross time zones, that profile becomes misaligned with your circadian rhythm.
| System | Time Zone Behavior | User Action |
|---|---|---|
| Control-IQ | Relies on pump clock | Manually update pump time upon arrival. Do not change during flight. |
| Omnipod 5 | Syncs via controller/phone | Updates automatically if using smartphone app. |
| DIY Loop | Syncs with Apple Health | Updates instantly; algorithm adjusts dynamically via Autosense. |
Temperature and Altitude Constraints
Commercial insulin degrades rapidly above 86°F (30°C) or if frozen. At altitude, pressure changes in airplane cabins can cause air bubbles in pump reservoirs to expand, potentially pushing an unintended micro-dose of insulin into the user. Disconnecting during takeoff and landing is a common preventative measure.
FAQ
- Can I put extra supplies in checked luggage?
- Never. The cargo hold is unpressurized and can freeze, destroying insulin and freezing CGM enzyme fluids.
- How do I handle pump failures abroad?
- Always carry a backup smart pen or syringes, and a printout of your current basal profile from a data platform.