My son has been sick at home for a couple of days. He is injecting large quantities of insulin all day to try to stay in range, and not succeeding.
I can distinctly smell insulin from his Pod. Is this a certain sign of insulin leak? There is no sign of humidity around the Pod, so no visible insulin.
@Beacher has written several times about needing to use a pen to inject more than 5U because the insulin flowed back around his cannula.
Whenever we have a hard time staying in range, we always have this concern about whether the pump is actually working properly 
I am sure most of the time it is unwarranted.