Earlier quoted context omitted.
Pretty much a collision of unfortunate events. We were at a work function until 2am in London and returned to our room to find it had been robbed. The thieves took his bag which contained his insulin kit. So now it's 3am GMT and he can't reach his doctor in the States. We're supposed to leave at 8am for the flight home. No pharmacy is open and even if they were, they wouldn't help him. Nurses at Heathrow couldn't hel…
Ouch. Were I ever to become diabetic (and manage to figure out my fear of needles), I'm pretty sure I'd carry around spare insulin, like an epi-pen. (Is it something that can be carried around trivially? Or does it need to be refridgerated? You know what, maybe I'll just eat healthier.)
That said, insulin is used to treat hyperglycemia, which is usually not an acute incident. "Diabetic shock" refers to hypoglycemia, in which the individual needs sugar to raise their blood sugar to normal levels.